android+4.4+截屏代码,Android截屏代码详解

public class MainActivity extends Activity {

Button mButton;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

mButton = (Button) findViewById(R.id.button);

mButton.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

GetandSaveCurrentImage();

}

});

}

protected void GetandSaveCurrentImage() {

WindowManager widowManager = getWindowManager();

Display display = widowManager.getDefaultDisplay();

int w = display.getWidth();

int h = display.getHeight();

Bitmap Bmp = Bitmap.createBitmap(w,h,Config.ARGB_8888);

View decorview = this.getWindow().getDecorView();

decorview.setDrawingCacheEnabled(true);

Bmp = decorview.getDrawingCache();

try {

String SavePath = getSDCardPath() + "/ScreenImage";

File path = new File(SavePath);

String filepath = SavePath + "/Screen_1.jpg";

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();

Log.i("LW", "截屏文件已保存至SDCard/ScreenImage/下");

}

} catch (Exception e) {

e.printStackTrace();

}

}

private String getSDCardPath() {

File sdCardDir = null;

boolean sdcardExit = Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED);

if(sdcardExit){

sdCardDir = Environment.getExternalStorageDirectory();

}

return sdCardDir.toString();

}

}