Android:-在RecyclerView中切换按钮。适配器OnCheckChangeListener
1） 我正在使用回收器视图适配器中的开关按钮 2） 问题是当开关按钮被选中或取消选中时，我想显示“上下文” 3） 我应该在吐司中使用哪种上下文来表示吐司 我想在切换OnCheckChangeListener时显示toastAndroid:-在RecyclerView中切换按钮。适配器OnCheckChangeListener,android,android-recyclerview,android-context,android-switch,Android,Android Recyclerview,Android Context,Android Switch,1） 我正在使用回收器视图适配器中的开关按钮 2） 问题是当开关按钮被选中或取消选中时，我想显示“上下文” 3） 我应该在吐司中使用哪种上下文来表示吐司 我想在切换OnCheckChangeListener时显示toast public class ChannelPartenerMyBuddiesAdapter extends RecyclerView.Adapter<ChannelPartenerMyBuddiesAdapter.MyViewHolder> { // S
public class ChannelPartenerMyBuddiesAdapter extends RecyclerView.Adapter<ChannelPartenerMyBuddiesAdapter.MyViewHolder> {
// String ChannelPartenerURL = Ipaddress.ChannelPartener();
String Ip = Ipaddress.ipaddress();
String ChannelPartenerURL = Ip + "ChannelPartener.php/";
String TAG = Utils.LogcatTag;
String CBId, CBActive;
ChannelPartenerMyBuddies channelPartenerMyBuddies = new ChannelPartenerMyBuddies();
private List<ChannelPartenerMyBuddiesItom> channelPartenerMyBuddiesItomsList;
private ChannelPartenerMyBuddiesAdapter thisAdapter = this;
View view;
Context context;
Activity activity;
public class MyViewHolder extends RecyclerView.ViewHolder {
public TextView inputMyCashBuddyID, inputMyCashBuddyName, inputMyCashBuddyMobile, inputMyCashBuddyLocation;
ImageView inputCashBudyprofilPic;
Button buttonEdit, buttonDelete;
Switch mySwitch;
public MyViewHolder(View view) {
super(view);
inputMyCashBuddyID = (TextView) view.findViewById(R.id.mtextMyBuddiesID);
inputMyCashBuddyName = (TextView) view.findViewById(R.id.mtextMyBuddiesName);
inputMyCashBuddyMobile = (TextView) view.findViewById(R.id.mtextMyBuddiesMobile);
inputMyCashBuddyLocation = (TextView) view.findViewById(R.id.mtextMyBuddiesAddress);
buttonDelete = (Button) view.findViewById(R.id.mbtnMyBuddiesDelete);
buttonEdit = (Button) view.findViewById(R.id.mbtnMyBuddiesEdit);
mySwitch = (Switch) view.findViewById(R.id.switch1);
inputCashBudyprofilPic = (ImageView) view.findViewById(R.id.mCashBuddyProfile);
}
}
public ChannelPartenerMyBuddiesAdapter(List<ChannelPartenerMyBuddiesItom> channelPartenerMyBuddiesItomsList) {
this.channelPartenerMyBuddiesItomsList = channelPartenerMyBuddiesItomsList;
}
@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View itemView = LayoutInflater.from(parent.getContext())
.inflate(R.layout.channel_partener_my_buddies_itom_list, parent, false);
return new MyViewHolder(itemView);
}
@Override
public void onBindViewHolder(final ChannelPartenerMyBuddiesAdapter.MyViewHolder holder, final int position) {
final ChannelPartenerMyBuddiesItom channelPartenerMyBuddiesItom = channelPartenerMyBuddiesItomsList.get(position);
holder.inputMyCashBuddyID.setText(channelPartenerMyBuddiesItom.getMyBuddiesID());
holder.inputMyCashBuddyName.setText(channelPartenerMyBuddiesItom.getMyBuddiesName());
holder.inputMyCashBuddyMobile.setText(channelPartenerMyBuddiesItom.getMyBiddiesMobile());
holder.inputMyCashBuddyLocation.setText(channelPartenerMyBuddiesItom.getMyBuddiesAdress());
new ImageLoadTask(channelPartenerMyBuddiesItom.getMyBuddiesProfilePic(), holder.inputCashBudyprofilPic).execute();
String CBstatus = channelPartenerMyBuddiesItom.getMyBuddiesActive();
if (CBstatus.equals("y")) {
holder.mySwitch.setChecked(true);
holder.mySwitch.setText("Active");
} else {
holder.mySwitch.setChecked(false);
holder.mySwitch.setText("DActive");
}
holder.mySwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean bChecked) {
if (bChecked) {
Toast.makeText(context, "Checked", Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(context, "Unchecked", Toast.LENGTH_SHORT).show();
}
}
});
}
@Override
public int getItemCount() {
return channelPartenerMyBuddiesItomsList.size();
}
public void CashBuddyActive(final Context context) {
Log.e(TAG, ChannelPartenerURL);
final ProgressDialog pDialog = new ProgressDialog(context);
pDialog.setMessage("Updating Cash Buddy ...");
pDialog.show();
StringRequest stringRequest = new StringRequest(Request.Method.POST,
ChannelPartenerURL,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
pDialog.hide();
Log.e("Update responce", response);
try {
JSONObject jsonObject = new JSONObject(response);
String Result = jsonObject.getString("code");
Log.e("Upadate Cash Buddy Code", Result);
if (Result.equals("1")) {
Log.e(TAG, "Active Code 1");
Intent i = new Intent(thisAdapter.context, ChannelPartenerMyBuddies.class);
context.startActivity(i);
((Activity) context).finish();
} else {
Toast.makeText(context, "Status not Changed", Toast.LENGTH_SHORT).show();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.e(TAG, error.getMessage());
pDialog.hide();
}
}) {
@Override
protected Map<String, String> getParams() {
Map<String, String> params = new HashMap<String, String>();
params.put("getdata", "updateCashBuddyActiveDeactive");
params.put("insert_CB_ID", CBId);
params.put("insert_CB_status", CBActive);
return params;
}
};
//Adding request to request queue
VolleyAppController.getInstance().addToRequestQueue(stringRequest);
}
public void DeleateCashBuddyStatus(final Context context, final String CashBuddyI) {
Log.e(TAG, ChannelPartenerURL);
Log.e("Deleat ID", CashBuddyI);
final ProgressDialog pDialog = new ProgressDialog(context);
pDialog.setMessage("Updating Cash Buddy ...");
pDialog.show();
StringRequest stringRequest = new StringRequest(Request.Method.POST,
ChannelPartenerURL,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
pDialog.hide();
Log.e("Update responce", response);
try {
JSONObject jsonObject = new JSONObject(response);
String Result = jsonObject.getString("code");
Log.e("Cash Buddy Code", Result);
if (Result.equals("1")) {
Intent i = new Intent(thisAdapter.context, ChannelPartenerMyBuddies.class);
context.startActivity(i);
((Activity) context).finish();
} else {
Toast.makeText(context, "Cash Buddy no Deleated", Toast.LENGTH_SHORT).show();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.e(TAG, error.getMessage());
pDialog.hide();
}
}) {
@Override
protected Map<String, String> getParams() {
Map<String, String> params = new HashMap<String, String>();
params.put("getdata", "deleatCashBuddy");
params.put("insert_CB_ID", CashBuddyI);
return params;
}
};
//Adding request to request queue
VolleyAppController.getInstance().addToRequestQueue(stringRequest);
}
}
公共类ChannelPartenerMyBuddiesAdapter扩展了RecyclerView.Adapter{
//字符串ChannelPartenerURL=Ipaddress.ChannelPartener（）；
字符串Ip=Ipaddress.Ipaddress（）；
字符串ChannelPartenerURL=Ip+“ChannelPartener.php/”；
字符串标记=Utils.LogcatTag；
字符串CBId，CBActive；
ChannelPartenerMyBuddies ChannelPartenerMyBuddies=新的ChannelPartenerMyBuddies（）；
私人名单渠道partenermybudiesitomslist；
私有通道partenermybudiesadapter thisapter=this；
视图；
语境；
活动；
公共类MyViewHolder扩展了RecyclerView.ViewHolder{
公共文本查看inputMyCashBuddyID、inputMyCashBuddyName、inputMyCashBuddyMobile、inputMyCashBuddyLocation；
ImageView inputCashBudyprofilPic；
Button buttonEdit，buttonDelete；
开关；
公共MyViewHolder（视图）{
超级（视图）；
inputMyCashBuddyID=（TextView）view.findViewById（R.id.mtextMyBuddiesID）；
inputMyCashBuddyName=（TextView）view.findViewById（R.id.mtextMyBuddiesName）；
inputMyCashBuddyMobile=（TextView）view.findViewById（R.id.mtextMyBuddiesMobile）；
inputMyCashBuddyLocation=（TextView）view.findViewById（R.id.mtextMyBuddiesAddress）；
buttonDelete=（Button）view.findViewById（R.id.mbtnMyBuddiesDelete）；
buttonEdit=（Button）view.findViewById（R.id.mbtnMyBuddiesEdit）；
mySwitch=（Switch）view.findViewById（R.id.switch1）；
inputCashBudyprofilPic=（ImageView）view.findViewById（R.id.mCashBuddyProfile）；
}
}
公共频道PartenerMyBuddiesAdapter（列表channelPartenerMyBuddiesItomsList）{
this.channelpartenermybudiesitomslist=channelpartenermybudiesitomslist；
}
@凌驾
公共MyViewHolder onCreateViewHolder（视图组父级，int-viewType）{
View itemView=LayoutInflater.from（parent.getContext（））
.充气（R.layout.channel\u partener\u my\u buddies\u itom\u list，parent，false）；
返回新的MyViewHolder（itemView）；
}
@凌驾
BindViewHolder上的公共无效（最终通道partenerMyBuddiesAdapter.MyViewHolder，最终int位置）{
最终渠道partenermybudiesitom渠道partenermybudiesitom=渠道partenermybudiesitomslist.get（位置）；
holder.inputMyCashBuddyID.setText（channelpartenerMyBuddiesTom.getMyBuddiesID（））；
holder.inputMyCashBuddyName.setText（channelpartenerMyBuddiesTom.getMyBuddiesName（））；
holder.inputMyCashBuddyMobile.setText（channelpartenerMyBuddiesTom.getMyBiddiesMobile（））；
holder.inputMyCashBuddyLocation.setText（channelpartenerMyBuddiesTom.GetMyBuddiesAddress（））；
新建ImageLoadTask（channelpartenerMyBuddiesTom.getMyBuddiesProfilePic（），holder.InputCashBuddyProfilePic.execute（）；
字符串CBstatus=channelpartenermybudiesitom.getMyBuddiesActive（）；
如果（CBstatus.equals（“y”））{
holder.mySwitch.setChecked（true）；
holder.mySwitch.setText（“活动”）；
}否则{
holder.mySwitch.setChecked（假）；
holder.mySwitch.setText（“DActive”）；
}
holder.mySwitch.setOnCheckedChangeListener（新的CompoundButton.OnCheckedChangeListener（）{
@凌驾
检查更改后的公共无效（复合按钮复合按钮，布尔B检查）{
如果（b检查）{
Toast.makeText（上下文“选中”，Toast.LENGTH_SHORT.show（）；
}否则{
Toast.makeText（上下文，“未选中”，Toast.LENGTH_SHORT）.show（）；
}
}
});
}
@凌驾
public int getItemCount（）{
返回channelpartenermybudiesitomslist.size（）；
}
public void cashbudyactive（最终上下文）{
Log.e（标签、ChannelPartenerURL）；
final ProgressDialog pDialog=新建ProgressDialog（上下文）；
设置消息（“更新现金伙伴…”）；
pDialog.show（）；
StringRequest StringRequest=新StringRequest（Request.Method.POST，
ChannelPartenerURL，
新的Response.Listener（）{
@凌驾
公共void onResponse（字符串响应）{
pDialog.hide（）；
Log.e（“更新响应”，响应）；
试一试{
JSONObject JSONObject=新JSONObject（响应）；
字符串结果=jsonObject.getString（“代码”）；
Log.e（“升级现金伙伴代码”，结果）；
如果（结果等于（“1”））{
Log.e（标签“活动代码1”）；
Intent i=新的Intent（thisAdapter.context，channelpartenermybodies.class）；
背景。起始触觉（i）；
（（活动）上下文）.finish（）；
}否则{
Toast.makeText（上下文，“状态未更改”，Toast.LENGTH_SHORT）.show（）；
}
}捕获（例外e）{
e、 printStackTrace（）；
}
}
}，new Response.ErrorListener（）{
@凌驾
公共无效onErrorResponse（截击错误）{
Log.e（标记，error.getMessage（））；
pDialog.hide（）；
}
}) {
@凌驾
受保护的映射getParams（）{
Map params=新的HashMap（）；
Process: com.jmtechnologies.askuscash, PID: 7741
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at android.widget.Toast.<init>(Toast.java:106)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at android.widget.Toast.makeText(Toast.java:263)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at com.jmtechnologies.askuscash.ChannelPartener.ChannelPartenerMyBuddiesAdapter$1.onCheckedChanged(ChannelPartenerMyBuddiesAdapter.java:141)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at android.widget.CompoundButton.setChecked(CompoundButton.java:154)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at android.widget.Switch.setChecked(Switch.java:862)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at android.widget.Switch.toggle(Switch.java:857)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at android.widget.CompoundButton.performClick(CompoundButton.java:118)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at android.view.View$PerformClick.run(View.java:20262)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at android.os.Handler.handleCallback(Handler.java:815)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:104)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at android.os.Looper.loop(Looper.java:194)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:5622)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at java.lang.reflect.Method.invoke(Method.java:372)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:959)
01-23 15:19:15.188 7741-7741/com.jmtechnologies.askuscash E/AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:754)
private Context mContext;
public ChannelPartenerMyBuddiesAdapter(List<ChannelPartenerMyBuddiesItom> channelPartenerMyBuddiesItomsList,Context mContext) {
this.channelPartenerMyBuddiesItomsList = channelPartenerMyBuddiesItomsList;
this.mContext=mContext
}
ChannelPartenerMyBuddiesAdapter channelPartenerMyBuddiesAdapter = new ChannelPartenerMyBuddiesAdapter(objectofList<ChannelPartenerMyBuddiesItom>,MainActivity.this);
public ChannelPartenerMyBuddiesAdapter(List<ChannelPartenerMyBuddiesItom> channelPartenerMyBuddiesItomsList,Context context) {
this.channelPartenerMyBuddiesItomsList = channelPartenerMyBuddiesItomsList;
this.context=context
}
context = compoundButton.getContext();
holder.mySwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean bChecked) {
context = compoundButton.getContext();
if (bChecked) {
Toast.makeText(context, "Checked", Toast.LENGTH_LONG).show();
} else {
Toast.makeText(context, "Unchecked", Toast.LENGTH_LONG).show();
}
}
});