Curry7895的博客

1. 在碎片中模拟返回栈  transaction.addToBackStack(null); private void replaceFragment(Fragment fragment) { FragmentManager manager = getSupportFragmentManager(); FragmentTransaction tran...

1.本地广播 只能接受本程序的广播，而且发出去的广播只能发给本程序的广播接收器 public class MainActivity extends AppCompatActivity { private IntentFilter filter; private LocalReveiver localReveiver; private LocalBroadcast...

1. 文件存储： private void save(String text) { FileOutputStream out = null; BufferedWriter writer = null; try { out = openFileOutput("data", Context.MODE_PRIVATE);...

1. Notification 通知 （1）notification的使用 NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); Notification notification= new Notific...

1.Android 6.0 运行时获取权限 public class MainActivity extends AppCompatActivity { private Button btn_call; @Override protected void onCreate(Bundle savedInstanceState) { super.onCrea...