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  • android 启动第三方程序的代码

     
    方法一:
    Intent intent = new Intent();  
    • intent.setClassName(<package name>, <class name>);  
    • startActivity(intent);

    方法二:
    1. Intent i=new Intent;
    2. ComponentName com= new ComponentName(<Package Name> , <Calss Name>);  
    3. i.setComponent(com);  
    4. startActivity(i);  

    //启动媒体库

    Intent i = new Intent();

    ComponentName comp = new ComponentName("com.android.camera","com.android.camera.GalleryPicker");

    i.setComponent(comp);

    i.setAction("android.intent.action.VIEW");

    startActivity(i);

    //启动相机

    Intent mIntent = new Intent();

    ComponentName comp = new ComponentName("com.android.camera","com.android.camera.Camera");

    mIntent.setComponent(comp);

    mIntent.setAction("android.intent.action.VIEW");

    startActivity(mIntent);

    //启动htmlviewer,并打开指定的一个文件 注意TXT不能是ANSI的,否则会乱码

    Intent intent = new Intent();

    ComponentName cn = new ComponentName("com.android.htmlviewer", "com.android.htmlviewer.HTMLViewerActivity");

    intent.setComponent(cn);

    Uri uri = Uri.fromFile(new File("/sdcard/demo.txt"));

    intent.setDataAndType(uri, "text/plain");

    startActivity(intent);

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  • 原文地址:https://www.cnblogs.com/xgjblog/p/3994952.html
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