1. 启动Activity:onCreate()->onStart()->onResume()->Activity is running
2. 按back键返回:onPause()->onStop()->onDestroy() 再次启动时:onCreate()->onStart()->onResume()->Activity is running
3.按home键返回:onPause()->onStop() 再次启动时:onRestart()->onStart()->onResume()->Activity is running
4.切换到别的Activity(当前Activity不finish): onPause()->onStop() 再次启动时:onCreate()->onStart()->onResume()->Activity is running
5.切换到别的Activity(当前Activity finish): onPause()->onStop()->onDestroy() 再次启动时: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;
- /**
- * 创建
- */
- @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();
- }
- });
- }
- /**
- * 重新开始
- */
- @Override
- protected void onRestart() {
- Log.i("TAG-onRestart", "onRestart()------------" + (i++));
- super.onRestart();
- }
- /**
- * 启动
- */
- @Override
- protected void onStart() {
- Log.i("TAG-onStart", "onStart()------------" + (i++));
- super.onStart();
- }
- /**
- * 重新启动
- */
- @Override
- protected void onResume() {
- Log.i("TAG-onResume", "onResume()------------" + (i++));
- super.onResume();
- }
- /**
- * 暂停
- */
- @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();
- }
- /**
- * 销毁
- */
- @Override
- protected void onDestroy() {
- Log.i("TAG-onDestroy", "onDestroy()------------" + (i++));
- super.onDestroy();
- }
- }