private int mlife = 100;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Log.v("r", "onCreate 界面被創(chuàng)建的時(shí)候調(diào)用 life= " + mlife + " theadname=" + Thread.currentThread().toString());
mPhone_et = (EditText) findViewById(R.id.phone_et);
mPhone_et.setText(String.valueOf(mlife));
}
// private btn click
public void hitClick(View view) {
mlife -= 10;
mPhone_et.setText(mlife + "");
}
// 使用默認(rèn)設(shè)置
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
1.每次點(diǎn)擊btn,mlife會減少10,且刷新mPhone_et控件值,正常.
2.但每次旋轉(zhuǎn)屏幕后, mlife恢復(fù)為100, 但mPhone_et控件值沒有顯示為原始值100, 后續(xù)觀察
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