android显式启动与隐式启动

最新推荐文章于 2024-08-15 11:21:01 发布

原创最新推荐文章于 2024-08-15 11:21:01 发布 · 1.6k 阅读

2 ·

CC 4.0 BY-SA版权

文章标签：

#android #intent

Android 专栏收录该内容

103 篇文章

订阅专栏

package com.example.start_5;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity {

	private Button btn1;

	private Button btn2;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		btn1 = (Button) findViewById(R.id.button1);

		btn2 = (Button) findViewById(R.id.button2);

		btn1.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				// TODO 自动生成的方法存根/
				// /显示启动

				Intent intent = new Intent(MainActivity.this, Layout2.class);
				startActivity(intent);
				Toast.makeText(MainActivity.this, "显示启动", Toast.LENGTH_SHORT)
						.show();

			}
		});
		btn2.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				// TODO 自动生成的方法存根/

				// //隐士启动
				Intent intent = new Intent("com.example.start_5.Layout2");

				startActivity(intent);
				Toast.makeText(MainActivity.this, "隐士启动", Toast.LENGTH_SHORT)
						.show();
			}
		});
	}
}

package com.example.start_5;

import android.app.Activity;
import android.os.Bundle;

public class Layout2 extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.layout2);
	}
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.start_5"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="15"
        android:targetSdkVersion="16" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".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=".Layout2"
            android:label="第二个界面" >
            <intent-filter>
                <action android:name="com.example.start_5.Layout2" />    //////这里要是完整路径

                <category android:name="android.intent.category.DEFAULT" />  //这个要是DEFAULT

            </intent-filter>
        </activity>
    </application>

</manifest>