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방법1 Intent intent = new Intent(Intent.ACTION_MAIN); //, intent.setClassName("com.example.package", "com.example.package.ActivityToStart"); startActivity(intent); 방법2 PackageManager pm = getPackageManager(); Intent intent = pm.getLaunchIntentForPackage("com.example.package"); startActivity(intent); 두번째 방법을 추천 [출처] Calling an app from another app

private void scrollMyListViewToBottom() { myListView.post(new Runnable() { @Override public void run() { // Select the last row so it will scroll into view... myListView.setSelection(myListAdapter.getCount() - 1); } }); } [출처] Listview Scroll to the end of the list after updating the list

style.xml android:typeface를 지정해주지 않으면 시스템 기본 폰트를 따라감 코드 myTextView.setTextAppearance(getApplicationContext(), R.style.boldText); [출처] How to change a TextView's style at runtime

1. selector 정의 2. 적용하기 android:button에 정의한 selector 설정