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public String GetCharset(File file) {
        String charset = "GBK";
        byte[] first3Bytes = new byte[3];
        try {
            boolean checked = false;
            BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
            bis.mark(0);
            int read = bis.read(first3Bytes, 0, 3);
            if (read == -1)
                return charset;

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public static Bitmap convertToBlur(Bitmap bmp) {
// 高斯矩阵
int[] gauss = new int[] { 1, 2, 1, 2, 4, 2, 1, 2, 1 };

int width = bmp.getWidth();
int height = bmp.getHeight();
Bitmap newBmp = Bitmap.createBitmap(width, height,
Bitmap.Config.RGB_565);

int pixR = 0;

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private void initScreenPixels()
    {
        
        DisplayMetrics dMetrics = new DisplayMetrics();
        WindowManager windowManager = (WindowManager)getSystemService(Context.WINDOW_SERVICE);
        Display display = windowManager.getDefaultDisplay();
        display.getMetrics(dMetrics);
        
        ScreenWidth = dMetrics.widthPixels;
        ScreenHeight = dMetrics.heightPixels;

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Shader shader = new LinearGradient(0, 0, 0, 100, Color.BLUE, Color.GREEN, Shader.TileMode.REPEAT);
textView.getPaint().setShader(shader);

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PowerManager pm = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE);
pm.goToSleep(SystemClock.uptimeMillis());

vizhen

$su
#setprop service.adb.tcp.port 5555
#stop adbd
#start adbd