Android 如何从数据库中获取数据并在多个RecyclerView或片段中显示?
我是Android的学生和新手,我从课程中得到了这段代码,显示了插入到资源(xml文件)中的数组到2个片段。但如何显示数据库中的数据呢 我想显示课程数据,该数据是通过失败状态短路的,如果数据库中的状态课程为1,则“课程显示在过程”选项卡中,则其他任何内容都将转到“失败”选项卡 这是课程的STADAAPTER:Android 如何从数据库中获取数据并在多个RecyclerView或片段中显示?,android,android-recyclerview,Android,Android Recyclerview,我是Android的学生和新手,我从课程中得到了这段代码,显示了插入到资源(xml文件)中的数组到2个片段。但如何显示数据库中的数据呢 我想显示课程数据,该数据是通过失败状态短路的,如果数据库中的状态课程为1,则“课程显示在过程”选项卡中,则其他任何内容都将转到“失败”选项卡 这是课程的STADAAPTER: public class CourseListAdapter extends RecyclerView.Adapter<CourseListAdapter.ViewHolder>
public class CourseListAdapter extends RecyclerView.Adapter<CourseListAdapter.ViewHolder> {
private Context cCtx;
private List<Course> cData = new ArrayList<>();
private OnItemClickListener cOnItemClickListener;
public interface OnItemClickListener {
void onItemClick(View view, Course crs, int position);
}
public void setOnItemClickListener(final OnItemClickListener cItemClickListener) {
this.cOnItemClickListener = cItemClickListener;
}
public class ViewHolder extends RecyclerView.ViewHolder {
public TextView status;
public TextView cname;
public TextView courseid;
public View layout_cparent;
public ViewHolder(View v) {
super(v);
status = (TextView) v.findViewById(R.id.status);
cname = (TextView) v.findViewById(R.id.cname);
courseid = (TextView) v.findViewById(R.id.courseid);
layout_cparent = (View) v.findViewById(R.id.layout_cparent);
}
}
public CourseListAdapter(Context cCtx, List<Course> cData) {
this.cCtx= cCtx;
this.cData= cData;
}
@Override
public CourseListAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_booking, parent, false);
ViewHolder vh = new ViewHolder(v);
return vh;
}
@Override
public void onBindViewHolder(ViewHolder holder, final int position) {
final Course c = cData.get(position);
holder.cname.setText(c.cname);
holder.courseid.setText(c.courseid);
holder.status.setText(c.status);
if (c.status.equals("0")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.cfail));
} else if (c.status.equals("1")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.credo));
} else if (b.status.equals("2")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.cpass));
}
holder.layout_cparent.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (cOnItemClickListener != null) {
cOnItemClickListener.onItemClick(view, c, position);
}
}
});
}
@Override
public int getItemCount() {
return data.size();
}
@Override
public long getItemId(int position) {
return position;
}
}
public class Course implements Serializable {
public String status;
public String cname;
public String courseid;
}
private static List<Course> getCourse(Context cCtx) {
List<Course> data = new ArrayList<>();
String[] status = cCtx.getResources().getStringArray(R.array.dummy_course_status);
String[] cname = cCtx.getResources().getStringArray(R.array.dummy_course_name);
String[] courseid = cCtx.getResources().getStringArray(R.array.dummy_course_id);
for (int i = 0; i < status.length; i++) {
Course item = new Course();
item.status = status[i];
item.cname= cname[i];
item.courseid = courseid[i];
data.add(item);
}
return data;
}
public static List<Course> getCoursePass(Context ctx) {
return getCourse(ctx).subList(0, 1);
}
public static List<Course> getCourseFailed(Context ctx) {
String[] status = ctx.getResources().getStringArray(R.array.dummy_course_status);
return getCourse(ctx).subList(1, status.length);
}
public class FragmentCoursePass extends Fragment {
private View rootView;
private RecyclerView recyclerView;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
rootView = inflater.inflate(R.layout.fragment_course_pass, container, false);
initComponent();
return rootView;
}
private void initComponent() {
recyclerView = (RecyclerView) rootView.findViewById(R.id.recyclerView);
recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
recyclerView.setHasFixedSize(true);
List<Course> courseList = Constant.getCoursePass(getActivity());
CourseListAdapter cAdapter = new CourseListAdapter(getActivity(), courseList);
recyclerView.setAdapter(cAdapter);
cAdapter.setOnItemClickListener(new CourseListAdapter.OnItemClickListener() {
@Override
public void onItemClick(View view, Course crs, int position) {
ActivityCoursePassDetails.navigate(getActivity(), crs);
}
});
}
@Override
public void onResume() {
super.onResume();
}
}
public class ActivityCourse extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_course);
initComponent();
initToolbar();
}
private void initComponent() {
ViewPager view_pager = (ViewPager) findViewById(R.id.view_pager);
FragmentAdapter adapter = new FragmentAdapter(getSupportFragmentManager());
FragmentCoursePass fragmentCoursePass = new FragmentCoursePass();
FragmentCourseFailed fragmentCourseFailed = new FragmentCourseFailed();
adapter.addFragment(fragmentCoursePass, "PASS");
adapter.addFragment(fragmentCourseFailed, "FAIL");
view_pager.setAdapter(adapter);
TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout);
tabLayout.setupWithViewPager(view_pager);
}
private void initToolbar() {
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ActionBar actionBar = getSupportActionBar();
actionBar.setTitle("Order");
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
Tools.setCompleteSystemBarLight(this);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
onBackPressed();
} else {
Toast.makeText(getApplicationContext(), item.getTitle(), Toast.LENGTH_SHORT).show();
}
return super.onOptionsItemSelected(item);
}
public class FragmentAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragments = new ArrayList<>();
private final List<String> mFragmentTitles = new ArrayList<>();
public FragmentAdapter(FragmentManager fm) {
super(fm);
}
public void addFragment(Fragment fragment, String title) {
mFragments.add(fragment);
mFragmentTitles.add(title);
}
@Override
public Fragment getItem(int position) {
return mFragments.get(position);
}
@Override
public int getCount() {
return mFragments.size();
}
@Override
public CharSequence getPageTitle(int position) {
return mFragmentTitles.get(position);
}
}
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/grey_bg"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="@+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@android:color/white"
app:contentInsetStartWithNavigation="0dp"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
app:theme="@style/Toolbar.Light" />
<android.support.design.widget.TabLayout
android:id="@+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="45dp"
android:background="@android:color/white"
app:tabGravity="fill"
app:tabIndicatorColor="@color/colorPrimary"
app:tabIndicatorHeight="3dp"
app:tabSelectedTextColor="@color/grey_very_hard"
app:tabTextAppearance="@style/CustomTabTextAppearance"
app:tabTextColor="@color/grey_very_hard" />
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
</android.support.design.widget.CoordinatorLayout>
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/grey_bg">
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false"
android:paddingTop="@dimen/spacing_middle"
android:paddingBottom="@dimen/spacing_middle"
android:scrollbars="none"
android:scrollingCache="true" />
</RelativeLayout>
这是获取数据的常量类,我假设这是从伪数组字符串获取数据的类。我试图在这个类中添加我的JSON
请求,但出现了“静态”错误
常数:
public class CourseListAdapter extends RecyclerView.Adapter<CourseListAdapter.ViewHolder> {
private Context cCtx;
private List<Course> cData = new ArrayList<>();
private OnItemClickListener cOnItemClickListener;
public interface OnItemClickListener {
void onItemClick(View view, Course crs, int position);
}
public void setOnItemClickListener(final OnItemClickListener cItemClickListener) {
this.cOnItemClickListener = cItemClickListener;
}
public class ViewHolder extends RecyclerView.ViewHolder {
public TextView status;
public TextView cname;
public TextView courseid;
public View layout_cparent;
public ViewHolder(View v) {
super(v);
status = (TextView) v.findViewById(R.id.status);
cname = (TextView) v.findViewById(R.id.cname);
courseid = (TextView) v.findViewById(R.id.courseid);
layout_cparent = (View) v.findViewById(R.id.layout_cparent);
}
}
public CourseListAdapter(Context cCtx, List<Course> cData) {
this.cCtx= cCtx;
this.cData= cData;
}
@Override
public CourseListAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_booking, parent, false);
ViewHolder vh = new ViewHolder(v);
return vh;
}
@Override
public void onBindViewHolder(ViewHolder holder, final int position) {
final Course c = cData.get(position);
holder.cname.setText(c.cname);
holder.courseid.setText(c.courseid);
holder.status.setText(c.status);
if (c.status.equals("0")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.cfail));
} else if (c.status.equals("1")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.credo));
} else if (b.status.equals("2")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.cpass));
}
holder.layout_cparent.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (cOnItemClickListener != null) {
cOnItemClickListener.onItemClick(view, c, position);
}
}
});
}
@Override
public int getItemCount() {
return data.size();
}
@Override
public long getItemId(int position) {
return position;
}
}
public class Course implements Serializable {
public String status;
public String cname;
public String courseid;
}
private static List<Course> getCourse(Context cCtx) {
List<Course> data = new ArrayList<>();
String[] status = cCtx.getResources().getStringArray(R.array.dummy_course_status);
String[] cname = cCtx.getResources().getStringArray(R.array.dummy_course_name);
String[] courseid = cCtx.getResources().getStringArray(R.array.dummy_course_id);
for (int i = 0; i < status.length; i++) {
Course item = new Course();
item.status = status[i];
item.cname= cname[i];
item.courseid = courseid[i];
data.add(item);
}
return data;
}
public static List<Course> getCoursePass(Context ctx) {
return getCourse(ctx).subList(0, 1);
}
public static List<Course> getCourseFailed(Context ctx) {
String[] status = ctx.getResources().getStringArray(R.array.dummy_course_status);
return getCourse(ctx).subList(1, status.length);
}
public class FragmentCoursePass extends Fragment {
private View rootView;
private RecyclerView recyclerView;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
rootView = inflater.inflate(R.layout.fragment_course_pass, container, false);
initComponent();
return rootView;
}
private void initComponent() {
recyclerView = (RecyclerView) rootView.findViewById(R.id.recyclerView);
recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
recyclerView.setHasFixedSize(true);
List<Course> courseList = Constant.getCoursePass(getActivity());
CourseListAdapter cAdapter = new CourseListAdapter(getActivity(), courseList);
recyclerView.setAdapter(cAdapter);
cAdapter.setOnItemClickListener(new CourseListAdapter.OnItemClickListener() {
@Override
public void onItemClick(View view, Course crs, int position) {
ActivityCoursePassDetails.navigate(getActivity(), crs);
}
});
}
@Override
public void onResume() {
super.onResume();
}
}
public class ActivityCourse extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_course);
initComponent();
initToolbar();
}
private void initComponent() {
ViewPager view_pager = (ViewPager) findViewById(R.id.view_pager);
FragmentAdapter adapter = new FragmentAdapter(getSupportFragmentManager());
FragmentCoursePass fragmentCoursePass = new FragmentCoursePass();
FragmentCourseFailed fragmentCourseFailed = new FragmentCourseFailed();
adapter.addFragment(fragmentCoursePass, "PASS");
adapter.addFragment(fragmentCourseFailed, "FAIL");
view_pager.setAdapter(adapter);
TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout);
tabLayout.setupWithViewPager(view_pager);
}
private void initToolbar() {
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ActionBar actionBar = getSupportActionBar();
actionBar.setTitle("Order");
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
Tools.setCompleteSystemBarLight(this);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
onBackPressed();
} else {
Toast.makeText(getApplicationContext(), item.getTitle(), Toast.LENGTH_SHORT).show();
}
return super.onOptionsItemSelected(item);
}
public class FragmentAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragments = new ArrayList<>();
private final List<String> mFragmentTitles = new ArrayList<>();
public FragmentAdapter(FragmentManager fm) {
super(fm);
}
public void addFragment(Fragment fragment, String title) {
mFragments.add(fragment);
mFragmentTitles.add(title);
}
@Override
public Fragment getItem(int position) {
return mFragments.get(position);
}
@Override
public int getCount() {
return mFragments.size();
}
@Override
public CharSequence getPageTitle(int position) {
return mFragmentTitles.get(position);
}
}
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/grey_bg"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="@+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@android:color/white"
app:contentInsetStartWithNavigation="0dp"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
app:theme="@style/Toolbar.Light" />
<android.support.design.widget.TabLayout
android:id="@+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="45dp"
android:background="@android:color/white"
app:tabGravity="fill"
app:tabIndicatorColor="@color/colorPrimary"
app:tabIndicatorHeight="3dp"
app:tabSelectedTextColor="@color/grey_very_hard"
app:tabTextAppearance="@style/CustomTabTextAppearance"
app:tabTextColor="@color/grey_very_hard" />
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
</android.support.design.widget.CoordinatorLayout>
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/grey_bg">
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false"
android:paddingTop="@dimen/spacing_middle"
android:paddingBottom="@dimen/spacing_middle"
android:scrollbars="none"
android:scrollingCache="true" />
</RelativeLayout>
私有静态列表getCourse(上下文cCtx){
列表数据=新的ArrayList();
String[]status=cCtx.getResources().getStringArray(R.array.dummy\u course\u status);
String[]cname=cCtx.getResources().getStringArray(R.array.dummy\u course\u name);
字符串[]courseid=cCtx.getResources().getStringArray(R.array.dummy\u course\u id);
for(int i=0;i
这是片段课程过程:
public class CourseListAdapter extends RecyclerView.Adapter<CourseListAdapter.ViewHolder> {
private Context cCtx;
private List<Course> cData = new ArrayList<>();
private OnItemClickListener cOnItemClickListener;
public interface OnItemClickListener {
void onItemClick(View view, Course crs, int position);
}
public void setOnItemClickListener(final OnItemClickListener cItemClickListener) {
this.cOnItemClickListener = cItemClickListener;
}
public class ViewHolder extends RecyclerView.ViewHolder {
public TextView status;
public TextView cname;
public TextView courseid;
public View layout_cparent;
public ViewHolder(View v) {
super(v);
status = (TextView) v.findViewById(R.id.status);
cname = (TextView) v.findViewById(R.id.cname);
courseid = (TextView) v.findViewById(R.id.courseid);
layout_cparent = (View) v.findViewById(R.id.layout_cparent);
}
}
public CourseListAdapter(Context cCtx, List<Course> cData) {
this.cCtx= cCtx;
this.cData= cData;
}
@Override
public CourseListAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_booking, parent, false);
ViewHolder vh = new ViewHolder(v);
return vh;
}
@Override
public void onBindViewHolder(ViewHolder holder, final int position) {
final Course c = cData.get(position);
holder.cname.setText(c.cname);
holder.courseid.setText(c.courseid);
holder.status.setText(c.status);
if (c.status.equals("0")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.cfail));
} else if (c.status.equals("1")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.credo));
} else if (b.status.equals("2")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.cpass));
}
holder.layout_cparent.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (cOnItemClickListener != null) {
cOnItemClickListener.onItemClick(view, c, position);
}
}
});
}
@Override
public int getItemCount() {
return data.size();
}
@Override
public long getItemId(int position) {
return position;
}
}
public class Course implements Serializable {
public String status;
public String cname;
public String courseid;
}
private static List<Course> getCourse(Context cCtx) {
List<Course> data = new ArrayList<>();
String[] status = cCtx.getResources().getStringArray(R.array.dummy_course_status);
String[] cname = cCtx.getResources().getStringArray(R.array.dummy_course_name);
String[] courseid = cCtx.getResources().getStringArray(R.array.dummy_course_id);
for (int i = 0; i < status.length; i++) {
Course item = new Course();
item.status = status[i];
item.cname= cname[i];
item.courseid = courseid[i];
data.add(item);
}
return data;
}
public static List<Course> getCoursePass(Context ctx) {
return getCourse(ctx).subList(0, 1);
}
public static List<Course> getCourseFailed(Context ctx) {
String[] status = ctx.getResources().getStringArray(R.array.dummy_course_status);
return getCourse(ctx).subList(1, status.length);
}
public class FragmentCoursePass extends Fragment {
private View rootView;
private RecyclerView recyclerView;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
rootView = inflater.inflate(R.layout.fragment_course_pass, container, false);
initComponent();
return rootView;
}
private void initComponent() {
recyclerView = (RecyclerView) rootView.findViewById(R.id.recyclerView);
recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
recyclerView.setHasFixedSize(true);
List<Course> courseList = Constant.getCoursePass(getActivity());
CourseListAdapter cAdapter = new CourseListAdapter(getActivity(), courseList);
recyclerView.setAdapter(cAdapter);
cAdapter.setOnItemClickListener(new CourseListAdapter.OnItemClickListener() {
@Override
public void onItemClick(View view, Course crs, int position) {
ActivityCoursePassDetails.navigate(getActivity(), crs);
}
});
}
@Override
public void onResume() {
super.onResume();
}
}
public class ActivityCourse extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_course);
initComponent();
initToolbar();
}
private void initComponent() {
ViewPager view_pager = (ViewPager) findViewById(R.id.view_pager);
FragmentAdapter adapter = new FragmentAdapter(getSupportFragmentManager());
FragmentCoursePass fragmentCoursePass = new FragmentCoursePass();
FragmentCourseFailed fragmentCourseFailed = new FragmentCourseFailed();
adapter.addFragment(fragmentCoursePass, "PASS");
adapter.addFragment(fragmentCourseFailed, "FAIL");
view_pager.setAdapter(adapter);
TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout);
tabLayout.setupWithViewPager(view_pager);
}
private void initToolbar() {
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ActionBar actionBar = getSupportActionBar();
actionBar.setTitle("Order");
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
Tools.setCompleteSystemBarLight(this);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
onBackPressed();
} else {
Toast.makeText(getApplicationContext(), item.getTitle(), Toast.LENGTH_SHORT).show();
}
return super.onOptionsItemSelected(item);
}
public class FragmentAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragments = new ArrayList<>();
private final List<String> mFragmentTitles = new ArrayList<>();
public FragmentAdapter(FragmentManager fm) {
super(fm);
}
public void addFragment(Fragment fragment, String title) {
mFragments.add(fragment);
mFragmentTitles.add(title);
}
@Override
public Fragment getItem(int position) {
return mFragments.get(position);
}
@Override
public int getCount() {
return mFragments.size();
}
@Override
public CharSequence getPageTitle(int position) {
return mFragmentTitles.get(position);
}
}
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/grey_bg"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="@+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@android:color/white"
app:contentInsetStartWithNavigation="0dp"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
app:theme="@style/Toolbar.Light" />
<android.support.design.widget.TabLayout
android:id="@+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="45dp"
android:background="@android:color/white"
app:tabGravity="fill"
app:tabIndicatorColor="@color/colorPrimary"
app:tabIndicatorHeight="3dp"
app:tabSelectedTextColor="@color/grey_very_hard"
app:tabTextAppearance="@style/CustomTabTextAppearance"
app:tabTextColor="@color/grey_very_hard" />
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
</android.support.design.widget.CoordinatorLayout>
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/grey_bg">
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false"
android:paddingTop="@dimen/spacing_middle"
android:paddingBottom="@dimen/spacing_middle"
android:scrollbars="none"
android:scrollingCache="true" />
</RelativeLayout>
公共类片段CoursePass扩展片段{
私有视图rootView;
私人回收站;
@可空
@凌驾
CreateView上的公共视图(布局、充气机、视图组容器、捆绑包保存状态){
rootView=充气机。充气(R.layout.fragment\u course\u pass,容器,false);
initComponent();
返回rootView;
}
私有void initComponent(){
recyclerView=(recyclerView)rootView.findViewById(R.id.recyclerView);
setLayoutManager(新的LinearLayoutManager(getActivity());
recyclerView.setHasFixedSize(true);
List courseList=Constant.getCoursePass(getActivity());
CourseListAdapter cAdapter=新的CourseListAdapter(getActivity(),courseList);
recyclerView.setAdapter(cAdapter);
setOnItemClickListener(新的CourseListAdapter.OnItemClickListener(){
@凌驾
公共无效位置单击(视图、课程crs、内部位置){
ActivityCourseSPassDetails.navigate(getActivity(),crs);
}
});
}
@凌驾
恢复时公开作废(){
super.onResume();
}
}
对于不同的变量,片段化的过程基本相同
此外,这是活动课程:
public class CourseListAdapter extends RecyclerView.Adapter<CourseListAdapter.ViewHolder> {
private Context cCtx;
private List<Course> cData = new ArrayList<>();
private OnItemClickListener cOnItemClickListener;
public interface OnItemClickListener {
void onItemClick(View view, Course crs, int position);
}
public void setOnItemClickListener(final OnItemClickListener cItemClickListener) {
this.cOnItemClickListener = cItemClickListener;
}
public class ViewHolder extends RecyclerView.ViewHolder {
public TextView status;
public TextView cname;
public TextView courseid;
public View layout_cparent;
public ViewHolder(View v) {
super(v);
status = (TextView) v.findViewById(R.id.status);
cname = (TextView) v.findViewById(R.id.cname);
courseid = (TextView) v.findViewById(R.id.courseid);
layout_cparent = (View) v.findViewById(R.id.layout_cparent);
}
}
public CourseListAdapter(Context cCtx, List<Course> cData) {
this.cCtx= cCtx;
this.cData= cData;
}
@Override
public CourseListAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_booking, parent, false);
ViewHolder vh = new ViewHolder(v);
return vh;
}
@Override
public void onBindViewHolder(ViewHolder holder, final int position) {
final Course c = cData.get(position);
holder.cname.setText(c.cname);
holder.courseid.setText(c.courseid);
holder.status.setText(c.status);
if (c.status.equals("0")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.cfail));
} else if (c.status.equals("1")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.credo));
} else if (b.status.equals("2")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.cpass));
}
holder.layout_cparent.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (cOnItemClickListener != null) {
cOnItemClickListener.onItemClick(view, c, position);
}
}
});
}
@Override
public int getItemCount() {
return data.size();
}
@Override
public long getItemId(int position) {
return position;
}
}
public class Course implements Serializable {
public String status;
public String cname;
public String courseid;
}
private static List<Course> getCourse(Context cCtx) {
List<Course> data = new ArrayList<>();
String[] status = cCtx.getResources().getStringArray(R.array.dummy_course_status);
String[] cname = cCtx.getResources().getStringArray(R.array.dummy_course_name);
String[] courseid = cCtx.getResources().getStringArray(R.array.dummy_course_id);
for (int i = 0; i < status.length; i++) {
Course item = new Course();
item.status = status[i];
item.cname= cname[i];
item.courseid = courseid[i];
data.add(item);
}
return data;
}
public static List<Course> getCoursePass(Context ctx) {
return getCourse(ctx).subList(0, 1);
}
public static List<Course> getCourseFailed(Context ctx) {
String[] status = ctx.getResources().getStringArray(R.array.dummy_course_status);
return getCourse(ctx).subList(1, status.length);
}
public class FragmentCoursePass extends Fragment {
private View rootView;
private RecyclerView recyclerView;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
rootView = inflater.inflate(R.layout.fragment_course_pass, container, false);
initComponent();
return rootView;
}
private void initComponent() {
recyclerView = (RecyclerView) rootView.findViewById(R.id.recyclerView);
recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
recyclerView.setHasFixedSize(true);
List<Course> courseList = Constant.getCoursePass(getActivity());
CourseListAdapter cAdapter = new CourseListAdapter(getActivity(), courseList);
recyclerView.setAdapter(cAdapter);
cAdapter.setOnItemClickListener(new CourseListAdapter.OnItemClickListener() {
@Override
public void onItemClick(View view, Course crs, int position) {
ActivityCoursePassDetails.navigate(getActivity(), crs);
}
});
}
@Override
public void onResume() {
super.onResume();
}
}
public class ActivityCourse extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_course);
initComponent();
initToolbar();
}
private void initComponent() {
ViewPager view_pager = (ViewPager) findViewById(R.id.view_pager);
FragmentAdapter adapter = new FragmentAdapter(getSupportFragmentManager());
FragmentCoursePass fragmentCoursePass = new FragmentCoursePass();
FragmentCourseFailed fragmentCourseFailed = new FragmentCourseFailed();
adapter.addFragment(fragmentCoursePass, "PASS");
adapter.addFragment(fragmentCourseFailed, "FAIL");
view_pager.setAdapter(adapter);
TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout);
tabLayout.setupWithViewPager(view_pager);
}
private void initToolbar() {
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ActionBar actionBar = getSupportActionBar();
actionBar.setTitle("Order");
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
Tools.setCompleteSystemBarLight(this);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
onBackPressed();
} else {
Toast.makeText(getApplicationContext(), item.getTitle(), Toast.LENGTH_SHORT).show();
}
return super.onOptionsItemSelected(item);
}
public class FragmentAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragments = new ArrayList<>();
private final List<String> mFragmentTitles = new ArrayList<>();
public FragmentAdapter(FragmentManager fm) {
super(fm);
}
public void addFragment(Fragment fragment, String title) {
mFragments.add(fragment);
mFragmentTitles.add(title);
}
@Override
public Fragment getItem(int position) {
return mFragments.get(position);
}
@Override
public int getCount() {
return mFragments.size();
}
@Override
public CharSequence getPageTitle(int position) {
return mFragmentTitles.get(position);
}
}
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/grey_bg"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="@+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@android:color/white"
app:contentInsetStartWithNavigation="0dp"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
app:theme="@style/Toolbar.Light" />
<android.support.design.widget.TabLayout
android:id="@+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="45dp"
android:background="@android:color/white"
app:tabGravity="fill"
app:tabIndicatorColor="@color/colorPrimary"
app:tabIndicatorHeight="3dp"
app:tabSelectedTextColor="@color/grey_very_hard"
app:tabTextAppearance="@style/CustomTabTextAppearance"
app:tabTextColor="@color/grey_very_hard" />
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
</android.support.design.widget.CoordinatorLayout>
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/grey_bg">
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false"
android:paddingTop="@dimen/spacing_middle"
android:paddingBottom="@dimen/spacing_middle"
android:scrollbars="none"
android:scrollingCache="true" />
</RelativeLayout>
公共类活动课程扩展了AppCompatActivity{
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_课程);
initComponent();
initToolbar();
}
私有void initComponent(){
ViewPager view\u pager=(ViewPager)findViewById(R.id.view\u pager);
FragmentAdapter=新的FragmentAdapter(getSupportFragmentManager());
FragmentCoursePass FragmentCoursePass=新的FragmentCoursePass();
FragmentCourseFailed FragmentCourseFailed=新的FragmentCourseFailed();
adapter.addFragment(fragmentCoursePass,“PASS”);
adapter.addFragment(fragmentCourseFailed,“FAIL”);
查看页面设置适配器(适配器);
TabLayout TabLayout=(TabLayout)findViewById(R.id.tab_布局);
tabLayout.setupWithViewPager(查看页面);
}
私有void initToolbar(){
Toolbar Toolbar=(Toolbar)findViewById(R.id.Toolbar);
设置支持操作栏(工具栏);
ActionBar ActionBar=getSupportActionBar();
actionBar.setTitle(“订单”);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
Tools.setCompleteSystemBarLight(此);
}
@凌驾
公共布尔值onOptionsItemSelected(菜单项项){
if(item.getItemId()==android.R.id.home){
onBackPressed();
}否则{
Toast.makeText(getApplicationContext(),item.getTitle(),Toast.LENGTH_SHORT).show();
}
返回super.onOptionsItemSelected(项目);
}
公共类FragmentAdapter扩展了FragmentPagerAdapter{
私有最终列表MFFragments=new ArrayList();
私有最终列表MFFragmentTitles=new ArrayList();
公共碎片适配器(碎片管理器fm){
超级(fm);
}
public void addFragment(片段片段,字符串标题){
添加(片段);
MFFragmentTitles.add(标题);
}
@凌驾
公共片段getItem(int位置){
返回mFragments.get(位置);
}
@凌驾
public int getCount(){
返回mffragments.size();
}
@凌驾
公共字符序列getPageTitle(int位置){
返回MFFragmentTitles.get(位置);
}
}
这是布局,我有几个布局有文本视图来保存字符串
活动\u课程.xml:
public class CourseListAdapter extends RecyclerView.Adapter<CourseListAdapter.ViewHolder> {
private Context cCtx;
private List<Course> cData = new ArrayList<>();
private OnItemClickListener cOnItemClickListener;
public interface OnItemClickListener {
void onItemClick(View view, Course crs, int position);
}
public void setOnItemClickListener(final OnItemClickListener cItemClickListener) {
this.cOnItemClickListener = cItemClickListener;
}
public class ViewHolder extends RecyclerView.ViewHolder {
public TextView status;
public TextView cname;
public TextView courseid;
public View layout_cparent;
public ViewHolder(View v) {
super(v);
status = (TextView) v.findViewById(R.id.status);
cname = (TextView) v.findViewById(R.id.cname);
courseid = (TextView) v.findViewById(R.id.courseid);
layout_cparent = (View) v.findViewById(R.id.layout_cparent);
}
}
public CourseListAdapter(Context cCtx, List<Course> cData) {
this.cCtx= cCtx;
this.cData= cData;
}
@Override
public CourseListAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_booking, parent, false);
ViewHolder vh = new ViewHolder(v);
return vh;
}
@Override
public void onBindViewHolder(ViewHolder holder, final int position) {
final Course c = cData.get(position);
holder.cname.setText(c.cname);
holder.courseid.setText(c.courseid);
holder.status.setText(c.status);
if (c.status.equals("0")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.cfail));
} else if (c.status.equals("1")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.credo));
} else if (b.status.equals("2")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.cpass));
}
holder.layout_cparent.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (cOnItemClickListener != null) {
cOnItemClickListener.onItemClick(view, c, position);
}
}
});
}
@Override
public int getItemCount() {
return data.size();
}
@Override
public long getItemId(int position) {
return position;
}
}
public class Course implements Serializable {
public String status;
public String cname;
public String courseid;
}
private static List<Course> getCourse(Context cCtx) {
List<Course> data = new ArrayList<>();
String[] status = cCtx.getResources().getStringArray(R.array.dummy_course_status);
String[] cname = cCtx.getResources().getStringArray(R.array.dummy_course_name);
String[] courseid = cCtx.getResources().getStringArray(R.array.dummy_course_id);
for (int i = 0; i < status.length; i++) {
Course item = new Course();
item.status = status[i];
item.cname= cname[i];
item.courseid = courseid[i];
data.add(item);
}
return data;
}
public static List<Course> getCoursePass(Context ctx) {
return getCourse(ctx).subList(0, 1);
}
public static List<Course> getCourseFailed(Context ctx) {
String[] status = ctx.getResources().getStringArray(R.array.dummy_course_status);
return getCourse(ctx).subList(1, status.length);
}
public class FragmentCoursePass extends Fragment {
private View rootView;
private RecyclerView recyclerView;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
rootView = inflater.inflate(R.layout.fragment_course_pass, container, false);
initComponent();
return rootView;
}
private void initComponent() {
recyclerView = (RecyclerView) rootView.findViewById(R.id.recyclerView);
recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
recyclerView.setHasFixedSize(true);
List<Course> courseList = Constant.getCoursePass(getActivity());
CourseListAdapter cAdapter = new CourseListAdapter(getActivity(), courseList);
recyclerView.setAdapter(cAdapter);
cAdapter.setOnItemClickListener(new CourseListAdapter.OnItemClickListener() {
@Override
public void onItemClick(View view, Course crs, int position) {
ActivityCoursePassDetails.navigate(getActivity(), crs);
}
});
}
@Override
public void onResume() {
super.onResume();
}
}
public class ActivityCourse extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_course);
initComponent();
initToolbar();
}
private void initComponent() {
ViewPager view_pager = (ViewPager) findViewById(R.id.view_pager);
FragmentAdapter adapter = new FragmentAdapter(getSupportFragmentManager());
FragmentCoursePass fragmentCoursePass = new FragmentCoursePass();
FragmentCourseFailed fragmentCourseFailed = new FragmentCourseFailed();
adapter.addFragment(fragmentCoursePass, "PASS");
adapter.addFragment(fragmentCourseFailed, "FAIL");
view_pager.setAdapter(adapter);
TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout);
tabLayout.setupWithViewPager(view_pager);
}
private void initToolbar() {
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ActionBar actionBar = getSupportActionBar();
actionBar.setTitle("Order");
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
Tools.setCompleteSystemBarLight(this);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
onBackPressed();
} else {
Toast.makeText(getApplicationContext(), item.getTitle(), Toast.LENGTH_SHORT).show();
}
return super.onOptionsItemSelected(item);
}
public class FragmentAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragments = new ArrayList<>();
private final List<String> mFragmentTitles = new ArrayList<>();
public FragmentAdapter(FragmentManager fm) {
super(fm);
}
public void addFragment(Fragment fragment, String title) {
mFragments.add(fragment);
mFragmentTitles.add(title);
}
@Override
public Fragment getItem(int position) {
return mFragments.get(position);
}
@Override
public int getCount() {
return mFragments.size();
}
@Override
public CharSequence getPageTitle(int position) {
return mFragmentTitles.get(position);
}
}
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/grey_bg"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="@+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@android:color/white"
app:contentInsetStartWithNavigation="0dp"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
app:theme="@style/Toolbar.Light" />
<android.support.design.widget.TabLayout
android:id="@+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="45dp"
android:background="@android:color/white"
app:tabGravity="fill"
app:tabIndicatorColor="@color/colorPrimary"
app:tabIndicatorHeight="3dp"
app:tabSelectedTextColor="@color/grey_very_hard"
app:tabTextAppearance="@style/CustomTabTextAppearance"
app:tabTextColor="@color/grey_very_hard" />
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
</android.support.design.widget.CoordinatorLayout>
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/grey_bg">
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false"
android:paddingTop="@dimen/spacing_middle"
android:paddingBottom="@dimen/spacing_middle"
android:scrollbars="none"
android:scrollingCache="true" />
</RelativeLayout>
这是片段\u course\u pass.xml:
public class CourseListAdapter extends RecyclerView.Adapter<CourseListAdapter.ViewHolder> {
private Context cCtx;
private List<Course> cData = new ArrayList<>();
private OnItemClickListener cOnItemClickListener;
public interface OnItemClickListener {
void onItemClick(View view, Course crs, int position);
}
public void setOnItemClickListener(final OnItemClickListener cItemClickListener) {
this.cOnItemClickListener = cItemClickListener;
}
public class ViewHolder extends RecyclerView.ViewHolder {
public TextView status;
public TextView cname;
public TextView courseid;
public View layout_cparent;
public ViewHolder(View v) {
super(v);
status = (TextView) v.findViewById(R.id.status);
cname = (TextView) v.findViewById(R.id.cname);
courseid = (TextView) v.findViewById(R.id.courseid);
layout_cparent = (View) v.findViewById(R.id.layout_cparent);
}
}
public CourseListAdapter(Context cCtx, List<Course> cData) {
this.cCtx= cCtx;
this.cData= cData;
}
@Override
public CourseListAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_booking, parent, false);
ViewHolder vh = new ViewHolder(v);
return vh;
}
@Override
public void onBindViewHolder(ViewHolder holder, final int position) {
final Course c = cData.get(position);
holder.cname.setText(c.cname);
holder.courseid.setText(c.courseid);
holder.status.setText(c.status);
if (c.status.equals("0")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.cfail));
} else if (c.status.equals("1")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.credo));
} else if (b.status.equals("2")) {
holder.status.setBackgroundDrawable(cCtx.getResources().getDrawable(R.drawable.cpass));
}
holder.layout_cparent.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (cOnItemClickListener != null) {
cOnItemClickListener.onItemClick(view, c, position);
}
}
});
}
@Override
public int getItemCount() {
return data.size();
}
@Override
public long getItemId(int position) {
return position;
}
}
public class Course implements Serializable {
public String status;
public String cname;
public String courseid;
}
private static List<Course> getCourse(Context cCtx) {
List<Course> data = new ArrayList<>();
String[] status = cCtx.getResources().getStringArray(R.array.dummy_course_status);
String[] cname = cCtx.getResources().getStringArray(R.array.dummy_course_name);
String[] courseid = cCtx.getResources().getStringArray(R.array.dummy_course_id);
for (int i = 0; i < status.length; i++) {
Course item = new Course();
item.status = status[i];
item.cname= cname[i];
item.courseid = courseid[i];
data.add(item);
}
return data;
}
public static List<Course> getCoursePass(Context ctx) {
return getCourse(ctx).subList(0, 1);
}
public static List<Course> getCourseFailed(Context ctx) {
String[] status = ctx.getResources().getStringArray(R.array.dummy_course_status);
return getCourse(ctx).subList(1, status.length);
}
public class FragmentCoursePass extends Fragment {
private View rootView;
private RecyclerView recyclerView;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
rootView = inflater.inflate(R.layout.fragment_course_pass, container, false);
initComponent();
return rootView;
}
private void initComponent() {
recyclerView = (RecyclerView) rootView.findViewById(R.id.recyclerView);
recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
recyclerView.setHasFixedSize(true);
List<Course> courseList = Constant.getCoursePass(getActivity());
CourseListAdapter cAdapter = new CourseListAdapter(getActivity(), courseList);
recyclerView.setAdapter(cAdapter);
cAdapter.setOnItemClickListener(new CourseListAdapter.OnItemClickListener() {
@Override
public void onItemClick(View view, Course crs, int position) {
ActivityCoursePassDetails.navigate(getActivity(), crs);
}
});
}
@Override
public void onResume() {
super.onResume();
}
}
public class ActivityCourse extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_course);
initComponent();
initToolbar();
}
private void initComponent() {
ViewPager view_pager = (ViewPager) findViewById(R.id.view_pager);
FragmentAdapter adapter = new FragmentAdapter(getSupportFragmentManager());
FragmentCoursePass fragmentCoursePass = new FragmentCoursePass();
FragmentCourseFailed fragmentCourseFailed = new FragmentCourseFailed();
adapter.addFragment(fragmentCoursePass, "PASS");
adapter.addFragment(fragmentCourseFailed, "FAIL");
view_pager.setAdapter(adapter);
TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout);
tabLayout.setupWithViewPager(view_pager);
}
private void initToolbar() {
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ActionBar actionBar = getSupportActionBar();
actionBar.setTitle("Order");
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
Tools.setCompleteSystemBarLight(this);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
onBackPressed();
} else {
Toast.makeText(getApplicationContext(), item.getTitle(), Toast.LENGTH_SHORT).show();
}
return super.onOptionsItemSelected(item);
}
public class FragmentAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragments = new ArrayList<>();
private final List<String> mFragmentTitles = new ArrayList<>();
public FragmentAdapter(FragmentManager fm) {
super(fm);
}
public void addFragment(Fragment fragment, String title) {
mFragments.add(fragment);
mFragmentTitles.add(title);
}
@Override
public Fragment getItem(int position) {
return mFragments.get(position);
}
@Override
public int getCount() {
return mFragments.size();
}
@Override
public CharSequence getPageTitle(int position) {
return mFragmentTitles.get(position);
}
}
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/grey_bg"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="@+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@android:color/white"
app:contentInsetStartWithNavigation="0dp"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
app:theme="@style/Toolbar.Light" />
<android.support.design.widget.TabLayout
android:id="@+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="45dp"
android:background="@android:color/white"
app:tabGravity="fill"
app:tabIndicatorColor="@color/colorPrimary"
app:tabIndicatorHeight="3dp"
app:tabSelectedTextColor="@color/grey_very_hard"
app:tabTextAppearance="@style/CustomTabTextAppearance"
app:tabTextColor="@color/grey_very_hard" />
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
</android.support.design.widget.CoordinatorLayout>
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/grey_bg">
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false"
android:paddingTop="@dimen/spacing_middle"
android:paddingBottom="@dimen/spacing_middle"
android:scrollbars="none"
android:scrollingCache="true" />
</RelativeLayout>
我将“我的获取数据”方法放在何处以及如何将其发送到recyclerview?
我试着从谷歌搜索,并尝试了几次。所以我想我在这里问,而我试图搜索其他方法。可能是一个封闭的线程,但我回答了你的要求