android_39_跳转至第2个Activity

效果:



清单:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.sg31.startactivity"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="21" />

// 打电话
<uses-permission android:name="android.permission.CALL_PHONE"/>

<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>

// 第2个activity
<activity android:name="com.sg31.startactivity.SecondActivity">
<intent-filter >
<action android:name="com.sg31.alphaListCtrl"/>
<data android:scheme="scheme_beyond"/>
// default可省
<category android:name="android.intent.category.DEFAULT"/>
</intent-filter>

<intent-filter >
<action android:name="com.sg31.alphaListCtrl2"/>
<data android:scheme="scheme_beyond2" android:mimeType="text/mimeType_sg31"/>
// default可省
<category android:name="android.intent.category.DEFAULT"/>
</intent-filter>
</activity>

</application>

</manifest>


主activity布局:

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.sg31.startactivity.MainActivity" android:orientation="vertical"
>

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="这是主activity"
android:textSize="18sp"
/>

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="隐式跳转至打电话activity"
android:onClick="yin_callBtnClicked"
/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="显示跳转至secondActivity"
android:onClick="xian_jumpToSecondActivityBtnClicked"
/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="显示跳转至拨号器"
android:onClick="xian_dailBtnClicked"
/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="隐式跳转至拨号器"
android:onClick="yin_dailBtnClicked"
/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="隐式跳转至secondActivity"
android:onClick="yin_jumpToSecondActivityBtnClicked"
/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="显示跳转至浏览器"
android:onClick="xian_broswerBtnClicked"
/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="隐式跳转至浏览器"
android:onClick="yin_broswerBtnClicked"
/>
</LinearLayout>

第2个activity布局:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="这是第二个activity"
android:textSize="18sp"
/>
</LinearLayout>


第2个activity代码:

package com.sg31.startactivity;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;

public class SecondActivity extends ActionBarActivity {

protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_second);

//获取到启动这个activity的意图
Intent intent = getIntent();
Uri uri = intent.getData();
if (uri != null) {
System.out.println("sg__"+uri.toString());
}

}

}


主activity代码:

package com.sg31.startactivity;

import android.support.v7.app.ActionBarActivity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;

public class MainActivity extends ActionBarActivity {

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

@Override
public 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;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}

/**
* 跳转至打电话activity 跳转至其他应用的activity 隐式跳转：通过指定action和data
*
* @param v
*/
public void yin_callBtnClicked(View v) {
Intent intent = new Intent();
// 隐式意图
intent.setAction(Intent.ACTION_CALL);
intent.setData(Uri.parse("tel:110"));
// 跳转
startActivity(intent);
}

/**
* 跳转至secondActivity 在本应用中跳转 显示跳转：直接指定目标Activity的包名和类名
*
* @param v
*/
public void xian_jumpToSecondActivityBtnClicked(View v) {
Intent intent = new Intent();
// class：直接指定目标Activity的类名
// 显示意图
intent.setClass(this, SecondActivity.class);
startActivity(intent);
}

/**
* 显示跳转至拨号器
*/
public void xian_dailBtnClicked(View v) {
Intent intent = new Intent();
// 指定目标Activity的包名和类名
intent.setClassName("com.android.dialer",
"com.android.dialer.DialtactsActivity");
startActivity(intent);
}

/**
* 隐式跳转至拨号器
*/
public void yin_dailBtnClicked(View v) {
Intent intent = new Intent();
// 隐式设置拨号器的动作
intent.setAction(Intent.ACTION_DIAL);
startActivity(intent);
}

/**
* 隐式跳转至secondActivity
*
* @param v
*/
public void yin_jumpToSecondActivityBtnClicked(View v) {
Intent intent = new Intent();
intent.setAction("com.sg31.alphaListCtrl2");

// 下面的两个方法,不能同时生效
// intent.setData(Uri.parse("scheme_beyond2:qwert"));
// intent.setType("text/mimeType_sg31");
// intent.setData(Uri.parse("scheme_beyond2:qwert12345"));

// 需同时设置,则只能用这个API
intent.setDataAndType(Uri.parse("scheme_beyond2:qwert12345"), "text/mimeType_sg31");
// 系统会自动添加默认的category,可不写
intent.addCategory(Intent.CATEGORY_DEFAULT);
startActivity(intent);
}

/**
* 显式跳转至浏览器
*/
public void xian_broswerBtnClicked(View v) {
Intent intent = new Intent();
intent.setClassName("com.android.browser",
"com.android.browser.BrowserActivity");
startActivity(intent);
}

/**
* 隐式跳转至浏览器
*
* @param v
*/
public void yin_broswerBtnClicked(View v) {
Intent intent = new Intent();
intent.setAction(Intent.ACTION_VIEW);
intent.setData(Uri.parse("http://www.sg31.com"));
startActivity(intent);
}
}