android 螢幕截圖原始碼

yangxi_001發表於2014-07-02
Android原始碼
package net.canking.shottest; 
   
import java.io.File; 
import java.io.FileNotFoundException; 
import java.io.FileOutputStream; 
import java.io.IOException; 
   
import android.app.Activity; 
import android.graphics.Bitmap; 
import android.graphics.Rect; 
import android.view.View; 
   
public class ScreenShot { 
   
    private static Bitmap takeScreenShot(Activity activity) { 
        // View是你需要截圖的View 
        View view = activity.getWindow().getDecorView(); 
        view.setDrawingCacheEnabled(true); 
        view.buildDrawingCache(); 
        Bitmap b1 = view.getDrawingCache(); 
   
        // 獲取狀態列高度 
        Rect frame = new Rect(); 
        activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame); 
        int statusBarHeight = frame.top; 
   
        // 獲取螢幕長和高 
        int width = activity.getWindowManager().getDefaultDisplay().getWidth(); 
        int height = activity.getWindowManager().getDefaultDisplay() 
                .getHeight(); 
        // 去掉標題欄 
        Bitmap b = Bitmap.createBitmap(b1, 0, statusBarHeight, width, height 
                - statusBarHeight); 
        view.destroyDrawingCache(); 
        return b; 
    } 
   
    private static void savePic(Bitmap b, File filePath) { 
        FileOutputStream fos = null; 
        try { 
            fos = new FileOutputStream(filePath); 
            if (null != fos) { 
                b.compress(Bitmap.CompressFormat.PNG, 100, fos); 
                fos.flush(); 
                fos.close(); 
            } 
        } catch (FileNotFoundException e) { 
            // e.printStackTrace(); 
        } catch (IOException e) { 
            // e.printStackTrace(); 
        } 
    } 
   
    public static void shoot(Activity a, File filePath) { 
        if (filePath == null) { 
            return; 
        } 
        if (!filePath.getParentFile().exists()) { 
            filePath.getParentFile().mkdirs(); 
        } 
        ScreenShot.savePic(ScreenShot.takeScreenShot(a), filePath); 
    } 
}

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