实现屏幕截图的代码-Android
转自:http://www.eoeandroid.com/thread-95111-1-1.html
今天实现了下屏幕截图 但是方法不是很优雅 还请大牛给予指点
界面很简单:
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@+id/rootLayout" > <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> <Button android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="save" android:id="@+id/btn" /> </LinearLayout>
界面视图:
下面是代码:
package com.babeeta.drawview; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import android.app.Activity; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Bitmap.Config; import android.os.Bundle; import android.os.Environment; import android.view.View; import android.widget.Button; public class Main extends Activity { /** Called when the activity is first created. */ Button btn; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); btn = (Button) findViewById(R.id.btn); btn.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Context context = getApplicationContext(); View rootView = findViewById(R.id.rootLayout); Bitmap newb = Bitmap.createBitmap( 320, 480, Config.ARGB_8888 ); Canvas canvas = new Canvas(newb); rootView.draw(canvas); File file = new File(Environment.getExternalStorageDirectory()+ "/" + "1.png"); FileOutputStream f = null; try { f = new FileOutputStream(file); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } boolean b = newb.compress(Bitmap.CompressFormat.PNG, 100, f); if(b){ //截图成功 } } }); } }
成功后保存到SD卡中 效果如下: