@Override
protected void onCreate(Bundle savedInstanceState) {
// 如果activity是被用户按下back或者调用finish终止的,那onCreate里面的savedInstanceState变量为null
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_ui_test_layout1);
rootLayout = (LinearLayout) findViewById(R.id.ll_linearlayout_root);
int count = rootLayout.getChildCount();
for (int i = 0; i < count; i++) {
Log.d(TAG, rootLayout.getChildAt(i).toString());
}
mTextView = (TextView) findViewById(R.id.textView1);
if (savedInstanceState == null) {
createActivitySharedPreference();
} else {
if (savedInstanceState.containsKey(TEXTVIEW_STATE_KEY)) {
mTextView.setText(savedInstanceState.getString(TEXTVIEW_STATE_KEY));
}
}
}
@Override
public void onTrimMemory(int level) {
// 接收UI被隐藏的消息，此时需要释放你的ＵＩ所占用的资源
if (level == Activity.TRIM_MEMORY_UI_HIDDEN) {}
super.onTrimMemory(level);
}
/**
* 这个函数是在Activity被RunTimer终止时才会调用的(比如屏幕旋转的时候). 也就是说如果该activity是被用户按下back键或者调用finish函数终止的 ,那
* onSaveInstanceSate函数是不会被调用的
*/
@Override
protected void onSaveInstanceState(Bundle outState) {
Log.d(TAG, "onSaveInstanceState");
// 在Shared Preferences中存储新的基本类型
outState.putString(TEXTVIEW_STATE_KEY, "bbbbbbbbbbbbbbbbbbbbbbbbbbbb");
super.onSaveInstanceState(outState);
}
@Override
protected void onResume() {
super.onResume();
Log.d(TAG, "onResume");
}
@Override
protected void onStart() {
super.onStart();
}
@Override
protected void onDestroy() {
Log.d(TAG, "onDestroy");
super.onDestroy();
}
@Override
protected void onStop() {
Log.d(TAG, "onStop");
super.onStop();
}
@Override
protected void onPause() {
super.onPause();
Log.d(TAG, "onPause");
}