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本文實例為大家分享了Android實現Gallery畫廊的具體代碼,供大家參考,具體內容如下
僅是實現基本功能,頁面粗糙請見諒
圖片下標0開始
activity_main.xml頁面:
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.example.gallery.MainActivity"> <Gallery android:id="@+id/galPicture" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_centerVertical="true" android:layout_centerHorizontal="true" /> </RelativeLayout>
GalleryAdapter.java頁面:
package com.example.gallery; import android.content.Context; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.Gallery; import android.widget.ImageView; public class GalleryAdapter extends BaseAdapter { private Context mContext; int[] images = {R.mipmap.apple, R.mipmap.banana, R.mipmap.bicycle, R.mipmap.chair,R.mipmap.chopsticks, R.mipmap.dog, R.mipmap.fish, R.mipmap.pear}; //本地圖片 public GalleryAdapter (Context context) { this.mContext = context; } @Override public int getCount() { return images.length; } @Override public Object getItem(int i) { return i; } @Override public long getItemId(int i) { return i; } @Override public View getView(int i, View view, ViewGroup viewGroup) { ImageView image = new ImageView(mContext); image.setImageResource(images[i]); //設置圖片 image.setAdjustViewBounds(true); //是否調整邊框 image.setLayoutParams(new Gallery.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)); return image; } }
MainActivity.java頁面:
package com.example.gallery; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.Gallery; import android.widget.Toast; public class MainActivity extends AppCompatActivity { GalleryAdapter galleryAdapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Gallery galPicture = findViewById(R.id.galPicture); galleryAdapter = new GalleryAdapter(MainActivity.this); galPicture.setAdapter(galleryAdapter); //相應的點擊事件 galPicture.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) { Toast.makeText(MainActivity.this, "圖片" + i, Toast.LENGTH_LONG).show(); } }); } }
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持億速云。
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