Android:下一步和上一步按钮,用于使用不同图像的活动

Android:下一步和上一步按钮,用于使用不同图像的活动,android,onclicklistener,buttonclick,Android,Onclicklistener,Buttonclick,完整映像活动的XML文件 <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:weig

完整映像活动的XML文件

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:weightSum="800">

<ImageView android:id="@+id/full_image_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    android:clickable="true"
    android:focusable="true"
    android:weightSum="200">

    <Button
        android:layout_width="140dp"
        android:layout_height="wrap_content"
        android:text="Previous"
        android:id="@+id/textView2"
        android:layout_gravity="center"/>
    <Button
        android:layout_width="140dp"
        android:layout_height="wrap_content"
        android:text="Next"
        android:id="@+id/Next"
        android:layout_gravity="center" />
</LinearLayout>

</LinearLayout>

活动

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        final GridView gv = (GridView)findViewById(R.id.grid_view);
        gv.setAdapter(new ImageAdapter(this));

        gv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View v, int position, long id) {

                // Sending image id to FullScreenActivity
                Intent i = new Intent(getApplicationContext(), FullImageActivity.class);
                // passing array index
                i.putExtra("id", position);
                startActivity(i);
               }
        });
公共类MainActivity扩展活动{
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
最终GridView gv=(GridView)findViewById(R.id.grid\u视图);
gv.setAdapter(新图像适配器(本));
gv.setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父视图、视图v、整型位置、长id){
//正在向FullScreenActivity发送图像id
Intent i=新的Intent(getApplicationContext(),FullImageActivity.class);
//传递数组索引
i、 putExtra(“id”,位置);
星触觉(i);
}
});
这是我的完整形象活动课

ImageAdapter imageAdapter; ImageView imageView;
int position;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.full_image_layout);

    Button next = (Button)findViewById(R.id.Next);
    imageView = (ImageView) findViewById(R.id.full_image_view);
    Intent i = getIntent();
    position = i.getExtras().getInt("id"); 

    imageAdapter = new ImageAdapter(this);
    imageView.setImageResource(imageAdapter.mThumbIds[position]);

    next.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            if(imageAdapter.mThumbIds[position] > imageAdapter.mThumbIds.length - 1) {
                position++;
                imageView.setImageResource(imageAdapter.mThumbIds[position]);
            }
            else{
                Log.d("TAG", "Reached Last Record");
            }
            if(position < imageAdapter.mThumbIds.length - 1) {
                position++;
            }
            else{
                Log.d("TAG", "Reached Last Record");
            }
        }
    });
ImageAdapter-ImageAdapter;ImageView-ImageView;
内部位置;
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.full_image_layout);
按钮下一步=(按钮)findViewById(R.id.next);
imageView=(imageView)findViewById(R.id.full\u image\u view);
Intent i=getIntent();
position=i.getExtras().getInt(“id”);
imageAdapter=新的imageAdapter(此);
setImageResource(imageAdapter.mThumbIds[position]);
next.setOnClickListener(新视图.OnClickListener(){
公共void onClick(视图v){
if(imageAdapter.mThumbIds[position]>imageAdapter.mThumbIds.length-1){
位置++;
setImageResource(imageAdapter.mThumbIds[position]);
}
否则{
Log.d(“标签”,“到达最后一条记录”);
}
如果(位置
我应该如何以及在哪里实现下一个和上一个按钮逻辑,以使事情顺利进行。
任何指导都将不胜感激。

我想出来了……需要监听器不断递增或递减包含图像的阵列

next.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
imageView.setImageResource(imageAdapter.mThumbIds[++position]);
}});

previous.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
imageView.setImageResource(imageAdapter.mThumbIds[--position]);
}});

对于多个数组,请使用以下代码

int n;
for Next button 
if (n>=int_Info.length)
{
   Toast.makeText(this, "Last", Toast.LENGTH_SHORT).show();
}
else {
   Glide.with(this).load(int_Info[n++]).into(zoomageView);
}

什么在这里不起作用?我想要下一个和上一个按钮实现…在前面带来一些图像后,我想要下一个和上一个按钮从数组中带来下一个或上一个图像..我为此逻辑编写的代码不起作用!如何在Listview或RecyelView项中做到这一点?