Intent intent = new Intent(classA.this, classB.class); startActivity(intent);
隐式跳转有三种 (1.)Intent mSettingsIntent = new Intent(Intent.ACTION_MAIN) .setAction(Settings.ACTION_MANAGE_OVERLAY_PERMISSION); startActivity(mSettingsIntent);
(2)Intent intent = new Intent(); intent.setAction(MY_ACTION); startActivity(intent); Intent intent = new Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION); Uri uri = Uri.fromParts(“package”, getPackageName(), null); intent.setData(uri); startActivity(intent);