【Android】Android实现截取现阶段屏幕图片并保存至SDCard

功能

1. 实现截取当前屏幕的功能。

2. 把截取的图片保存到SDCard中的某个目录文件夹下面。

package com.app.test01;import java.io.File;import java.io.FileOutputStream;import android.app.Activity;import android.graphics.Bitmap;import android.graphics.Bitmap.Config;import android.os.Bundle;import android.os.Environment;import android.view.Display;import android.view.View;import android.view.View.OnClickListener;import android.view.WindowManager;import android.widget.Button;import android.widget.Toast;public class JieTu extends Activity {	private Button btnButton;	@Override	protected void onCreate(Bundle savedInstanceState) {		// TODO Auto-generated method stub		super.onCreate(savedInstanceState);		setContentView(R.layout.jietu);		btnButton = (Button) findViewById(R.id.button1);		btnButton.setOnClickListener(new OnClickListener() {			@Override			public void onClick(View v) {				// TODO Auto-generated method stub				GetandSaveCurrentImage();			}		});	}	/**	 * 获取和保存当前屏幕的截图	 */	private void GetandSaveCurrentImage() {		// 1.构建Bitmap		WindowManager windowManager = getWindowManager();		Display display = windowManager.getDefaultDisplay();		int w = display.getWidth();		int h = display.getHeight();		Bitmap Bmp = Bitmap.createBitmap(w, h, Config.ARGB_8888);		// 2.获取屏幕		View decorview = this.getWindow().getDecorView();		decorview.setDrawingCacheEnabled(true);		Bmp = decorview.getDrawingCache();		String SavePath = getSDCardPath() + "/AndyDemo/ScreenImage";		// 3.保存Bitmap		try {			File path = new File(SavePath);			// 文件			String filepath = SavePath + "/Screen_1.png";			File file = new File(filepath);			if (!path.exists()) {				path.mkdirs();			}			if (!file.exists()) {				file.createNewFile();			}			FileOutputStream fos = null;			fos = new FileOutputStream(file);			if (null != fos) {				Bmp.compress(Bitmap.CompressFormat.PNG, 90, fos);				fos.flush();				fos.close();				Toast.makeText(this, "截屏文件已保存至SDCard/AndyDemo/ScreenImage/下",						Toast.LENGTH_LONG).show();			}		} catch (Exception e) {			e.printStackTrace();		}	}	/**	 * 获取SDCard的目录路径功能	 */	private String getSDCardPath() {		File sdcardDir = null;		// 判断SDCard是否存在		boolean sdcardExist = Environment.getExternalStorageState().equals(				android.os.Environment.MEDIA_MOUNTED);		if (sdcardExist) {			sdcardDir = Environment.getExternalStorageDirectory();		}		return sdcardDir.toString();	}}

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添加读写权限

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>