android 自定义 permission 权限
2011-09-24 10:16
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大家好,今天给大家简单分享一下Android中自定义action与permission. 我们在实际开发中,经常会用到系统的功能,比如打电话功能只要如以下简单代码:
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Uri uri = Uri.parse("tel.xxxxxx");
Intent it =new Intent(Intent.ACTION_CALL,uri);
startActivity(it);
下面我将实例给大家分享一下自定义action与permission.实例有两个Android工程Demo,与Demo2. Demo工程有两个Activity一个是主Activity,另一个是ViewActivity,这个Activity我们给自定义了android.tutor.action.VIEW的action以及com.tutor.permission.VIEW的permission。
另一个Demo2的主Activity去调用Demo里的ViewActivity,代码如下:
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Intent mIntent = new Intent();
mIntent.setAction("android.tutor.action.VIEW");
startActivity(mIntent);
下面是具体步骤如下:
第一步:新建第一个Android工程Demo.目录结构如下:
第二步:新建名为ViewActivity的Activity,代码如下:
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package com.tutor.demo;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
public class ViewActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
TextView mTextView = new TextView(this);
mTextView.setText("我是自定义action并且加了权限的Activity.");
setContentView(mTextView);
}
}
第四步:修改主Activity,Demo.java代码如下(在onCreate()里去跳转到ViewActivity,也需要申请权限的如上面的第28行代码):
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package com.tutor.demo;
import com.tutor.demo.R;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
public class Demo extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//跳转ViewActivity
Intent mIntent = new Intent();
mIntent.setAction("android.tutor.action.VIEW");
startActivity(mIntent);
}
}
在Demo2工程里的AndroidMainifest.xml中申请权限,不加权限程序会报错,代码如下:
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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.tutor.demo2"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".Demo2"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-permission android:name="com.tutor.permission.VIEW"></uses-permission>
</manifest>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.tutor.demo2"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".Demo2"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-permission android:name="com.tutor.permission.VIEW"></uses-permission>
</manifest>
运行之效果如下图所示:
一样的效果,呵呵,ok,今天就先讲到这里。
原文:http://blog.csdn.net/Android_Tutor/archive/2011/04/08/6310418.aspx
view plaincopy
to clipboardprint?
Uri uri = Uri.parse("tel.xxxxxx");
Intent it =new Intent(Intent.ACTION_CALL,uri);
startActivity(it);
view plaincopy to clipboardprint? <uses-permission id="android .permission.CALL_PHONE" /> <uses-permission id="android .permission.CALL_PHONE" />
下面我将实例给大家分享一下自定义action与permission.实例有两个Android工程Demo,与Demo2. Demo工程有两个Activity一个是主Activity,另一个是ViewActivity,这个Activity我们给自定义了android.tutor.action.VIEW的action以及com.tutor.permission.VIEW的permission。
另一个Demo2的主Activity去调用Demo里的ViewActivity,代码如下:
view plaincopy
to clipboardprint?
Intent mIntent = new Intent();
mIntent.setAction("android.tutor.action.VIEW");
startActivity(mIntent);
view plaincopy to clipboardprint? <uses-permission android:name="com.tutor.permission.VIEW"></uses-permission> <uses-permission android:name="com.tutor.permission.VIEW"></uses-permission>
下面是具体步骤如下:
第一步:新建第一个Android工程Demo.目录结构如下:
第二步:新建名为ViewActivity的Activity,代码如下:
view plaincopy
to clipboardprint?
package com.tutor.demo;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
public class ViewActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
TextView mTextView = new TextView(this);
mTextView.setText("我是自定义action并且加了权限的Activity.");
setContentView(mTextView);
}
}
view plaincopy to clipboardprint? <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.tutor.demo" android:versionCode="1" android:versionName="1.0"> <permission android:protectionLevel="normal" android:name="com.tutor.permission.VIEW"> </permission> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".Demo" 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=".ViewActivity" android:label="自定义action与permission" android:permission="com.tutor.permission.VIEW" > <intent-filter> <action android:name="android.tutor.action.VIEW" /> <category android:name="android.intent.category.DEFAULT" /> </intent-filter> </activity> </application> <uses-permission android:name="com.tutor.permission.VIEW"></uses-permission> </manifest> <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.tutor.demo" android:versionCode="1" android:versionName="1.0"> <permission android:protectionLevel="normal" android:name="com.tutor.permission.VIEW"> </permission> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".Demo" 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=".ViewActivity" android:label="自定义action与permission" android:permission="com.tutor.permission.VIEW" > <intent-filter> <action android:name="android.tutor.action.VIEW" /> <category android:name="android.intent.category.DEFAULT" /> </intent-filter> </activity> </application> <uses-permission android:name="com.tutor.permission.VIEW"></uses-permission> </manifest>
第四步:修改主Activity,Demo.java代码如下(在onCreate()里去跳转到ViewActivity,也需要申请权限的如上面的第28行代码):
view plaincopy
to clipboardprint?
package com.tutor.demo;
import com.tutor.demo.R;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
public class Demo extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//跳转ViewActivity
Intent mIntent = new Intent();
mIntent.setAction("android.tutor.action.VIEW");
startActivity(mIntent);
}
}
view plaincopy to clipboardprint? package com.tutor.demo2; import com.tutor.demo2.R; import android.app.Activity; import android.content.Intent; import android.os.Bundle; public class Demo2 extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //访问应用demo里的ViewActivity Intent mIntent = new Intent(); mIntent.setAction("android.tutor.action.VIEW"); startActivity(mIntent); } } package com.tutor.demo2; import com.tutor.demo2.R; import android.app.Activity; import android.content.Intent; import android.os.Bundle; public class Demo2 extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //访问应用demo里的ViewActivity Intent mIntent = new Intent(); mIntent.setAction("android.tutor.action.VIEW"); startActivity(mIntent); } }
在Demo2工程里的AndroidMainifest.xml中申请权限,不加权限程序会报错,代码如下:
view plaincopy
to clipboardprint?
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.tutor.demo2"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".Demo2"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-permission android:name="com.tutor.permission.VIEW"></uses-permission>
</manifest>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.tutor.demo2"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".Demo2"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-permission android:name="com.tutor.permission.VIEW"></uses-permission>
</manifest>
运行之效果如下图所示:
一样的效果,呵呵,ok,今天就先讲到这里。
原文:http://blog.csdn.net/Android_Tutor/archive/2011/04/08/6310418.aspx
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