Android(安卓)Activity跳转学习笔记

MainActivity.java

package com.Ldci.intentdome;import android.os.Bundle;import android.app.Activity;import android.content.Intent;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class MainActivity extends Activity {private Button btnButton ;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);btnButton = (Button)findViewById(R.id.button1);btnButton.setOnClickListener(listener);}private OnClickListener listener = new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubIntent intent = new Intent();intent.setClass(MainActivity.this, IntentActivity.class);intent.putExtra("name", "xiaonan");startActivity(intent);}};@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}}

IntentActivity.java

package com.Ldci.intentdome;import android.app.Activity;import android.content.Intent;import android.os.Bundle;public class IntentActivity extends Activity{@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.activity_intent);Intent intent = getIntent();String string = intent.getStringExtra("name");System.out.println(string);}}

AndroidManifest.xml

 <activity            android:name="com.Ldci.intentdome.MainActivity"            android:label="@string/app_name" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>                <activity             android:name="com.Ldci.intentdome.IntentActivity">   </activity>

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