如何使一个按钮，打开与Java / Android的另一个应用程序？ [英] How to make a button open another app with Java/Android?

问题描述

我努力学习做一个简单的应用程序，与每个打开另一个应用程序，无需再应用程序的几个按钮。我只是不明白。另外，我可以放置多个按钮，本次活动以打开另一个应用程序？我真的不能找到答案无论是。

I am trying to learn to make a simple app that has a few buttons with each opening another app to eliminate the need for another apps. I just can't figure it out. Also, can I place more than one button in this activity to open another app? I can't really find that answer either.

Button batteryhistory = (Button)findViewById(R.string.BatteryHistoryButtonDialog);

    batteryhistory.setOnClickListener(new View.OnClickListener() {

      @Override
      public void onClick(View view) {
      Intent i = new Intent(); 
       ComponentName n = new 
       ComponentName("com.android.settings", 
       "com.android.settings.BatteryHistory"); 
       i.setComponent(n); 
       startActivity(i);

感谢这么多的帮助：D

Thanks so much for the help :D

推荐答案

希望这个实现将工作：

if (v.getId() == R.id.ImageButton01) {

            if (keyCode == KeyEvent.KEYCODE_ENTER) {
                // Toast.makeText(this, "Application Name", Toast.LENGTH_LONG).show();
                Intent i = new Intent();
                i.setAction(Intent.ACTION_VIEW);
                i.setClassName("com.xxx.your_package_name",
                        "com.xxx.your_class_name");

                startActivity(i);

            }
        }  

的唯一的事情是，你必须安装前手的应用程序。

The only thing is that you will have to install the application before hand.

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