1. 啟動Activity：onCreate()->onStart()->onResume()->Activity is running
2. 按back鍵返回：onPause()->onStop()->onDestroy() 再次啟動時:onCreate()->onStart()->onResume()->Activity is running
3.按home鍵返回：onPause()->onStop() 再次啟動時：onRestart()->onStart()->onResume()->Activity is running
4.切換到別的Activity（當前Activity不finish）： onPause()->onStop() 再次啟動時:onCreate()->onStart()->onResume()->Activity is running
5.切換到別的Activity（當前Activity finish）： onPause()->onStop()->onDestroy() 再次啟動時:onCreate()->onStart()->onResume()->Activity is running
package com.Aina.Android;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
public class Test_CeShi extends Activity {
/** Called when the activity is first created. */
private int i = 1;
private Button btn;
/**
* 創建
*/
@Override
public void onCreate(Bundle savedInstanceState) {
Log.i("TAG-onCreate", "onCreate()------------" + (i++));
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btn = (Button) this.findViewById(R.id.Button01);
btn.setOnClickListener(new Button.OnClickListener(){
@Override
public void onClick(View v) {
Intent intent = new Intent(Test_CeShi.this,fg.class);
Test_CeShi.this.startActivity(intent);
// Test_CeShi.this.finish();
}
});
}
/**
* 重新開始
*/
@Override
protected void onRestart() {
Log.i("TAG-onRestart", "onRestart()------------" + (i++));
super.onRestart();
}
/**
* 啟動
*/
@Override
protected void onStart() {
Log.i("TAG-onStart", "onStart()------------" + (i++));
super.onStart();
}
/**
* 重新啟動
*/
@Override
protected void onResume() {
Log.i("TAG-onResume", "onResume()------------" + (i++));
super.onResume();
}
/**
* 暫停
*/
@Override
protected void onPause() {
Log.i("TAG-onPause", "onPause()------------" + (i++));
super.onPause();
}
/**
* 停止
*/
@Override
protected void onStop() {
Log.i("TAG-onStop", "onStop()------------" + (i++));
super.onStop();
}
/**
* 銷毀
*/
@Override
protected void onDestroy() {
Log.i("TAG-onDestroy", "onDestroy()------------" + (i++));
super.onDestroy();
}
}