截屏無需要root權限:
@SuppressLint("NewApi")
public void takeScreenshot(Context context, String fileFullPath)
{
if(fileFullPath == ""){
format = new SimpleDateFormat("yyyyMMddHHmmss");
String fileName = format.format(new Date(System.currentTimeMillis())) + ".png";
fileFullPath = "/data/local/tmp/" + fileName;
}
if(ShellUtils.checkRootPermission()){
if(android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH){
ShellUtils.execCommand("/system/bin/screencap -p "+ fileFullPath,true);
}
}
else {
if(android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.JELLY_BEAN_MR2 && android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH){
wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
mDisplay = wm.getDefaultDisplay();
mDisplayMatrix = new Matrix();
mDisplayMetrics = new DisplayMetrics();
// We need to orient the screenshot correctly (and the Surface api seems to take screenshots
// only in the natural orientation of the device :!)
mDisplay.getRealMetrics(mDisplayMetrics);
float[] dims =
{
mDisplayMetrics.widthPixels, mDisplayMetrics.heightPixels
};
float degrees = getDegreesForRotation(mDisplay.getRotation());
boolean requiresRotation = (degrees > 0);
if (requiresRotation){
// Get the dimensions of the device in its native orientation
mDisplayMatrix.reset();
mDisplayMatrix.preRotate(-degrees);
mDisplayMatrix.mapPoints(dims);
dims[0] = Math.abs(dims[0]);
dims[1] = Math.abs(dims[1]);
}
Bitmap mScreenBitmap = screenShot((int) dims[0], (int) dims[1]);
if (requiresRotation) {
// Rotate the screenshot to the current orientation
Bitmap ss = Bitmap.createBitmap(mDisplayMetrics.widthPixels, mDisplayMetrics.heightPixels,
Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(ss);
c.translate(ss.getWidth()/2, ss.getHeight()/2);
c.rotate(degrees);
c.translate(-dims[0]/2, -dims[1]/2);
c.drawBitmap(mScreenBitmap, 0, 0, null);
c.setBitmap(null);
mScreenBitmap = ss;
if (ss != null && !ss.isRecycled()) {
ss.recycle();
}
}
// If we couldn't take the screenshot, notify the user
if (mScreenBitmap == null){
Toast.makeText(context, "screen shot fail", Toast.LENGTH_SHORT).show();
}
// Optimizations
mScreenBitmap.setHasAlpha(false);
mScreenBitmap.prepareToDraw();
saveBitmap2file(context, mScreenBitmap, fileFullPath); // save image file
}
}
}
來源:ScreentShotUtil.java
你需要看到你的應用程序內部的截圖?或者您只想在設備上製作其他應用的屏幕截圖? –
我想在我的應用程序中看到它們。 –