获取Android 手机屏幕宽度和高度以及获取Android手机序列号

1.获取Android 手机屏幕宽度

1 DisplayMetrics dm = new DisplayMetrics();

2 this.getWindowManager().getDefaultDisplay().getMetrics(dm);

3 Toast.makeText(getApplicationContext(), dm.widthPixels + "-"

4         + dm.heightPixels, Toast.LENGTH_LONG).show();

 2. 获取图片宽度

int bmpW = BitmapFactory.decodeResource(getResources(),R.drawable.bottom_line).getWidth();

3.获取Android手机序列号

1 String str = Secure.getString(getContentResolver(), Secure.ANDROID_ID);

2 Toast.makeText(getApplicationContext(), str, Toast.LENGTH_LONG).show();