教程案例导入android java.pdf

packagecom.realaction.lifecycledemo;

importandroid.app.Activity;

importandroid.content.Intent;

importandroid.os.Bundle;

importandroid.util.Log;

importandroid.view.Menu;

importandroid.view.View;

importandroid.view.View.OnClickListener;

importandroid.widget.Button;

publicclassMainActivityextendsActivity{

privatestaticfinalStringTAG=LifeCycleDemo;

privateButtonbtnNext;

/**Calledwhentheactivityisfirstcreated.*/

@Override

publicvoidonCreate(BundlesavedInstanceState){

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

Log.e(TAG,startonCreate~~~);

btnNext=(Button)findViewById(R.id.btnNext);

btnNext.setOnClickListener(newMyClickListener());

}

classMyClickListenerimplementsOnClickListener{

@Override

publicvoidonClick(Viewv){

//TODOAuto-generatedmethodstub

Intentintent=newIntent();

intent.setClass(MainActivity.this,NextActivity.class);

startActivity(intent);

}

}

@Override

protectedvoidonDestroy(){

//TODOAuto-generatedmethodstub

super.onDestroy();

Log.e(TAG,startonDestroy~~~);

}

@Override

protectedvoidonPause(){

//TODOAuto-generatedmethodstub

super.onPause();

Log.e(TAG,startonPause~~~);

}

@Override

protectedvoidonRestart(){

//TODOAuto-generatedmethodstub

super.onRestart();

Log.e(TAG,startonRestart~~~);

}

@Override

protectedvoidonResume(){

//TODOAuto-generatedmethodstub

super.onResume();

Log.e(TAG,startonResume~~~);

}

@Override

protectedvoidonStart(){

//TODOAuto-generatedmethodstub

super.onStart();

Log.e(TAG,startonStart~~~);

}

@Override

protectedvoidonStop(){

//TODOAut