how to open input Keyboard on load of activity

其实我在我的活动类中有一个EditText框。我想要的是，每当我的活动开始时它会自动打开输入键盘以及EditText.So如何完成。请任何人都提示我。

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If you want to always show soft keyboard whenever your activity is started, the simplest way is to add this piece of code in your Android Manifest file:

<activity android:name=".YourActivity"
          android:windowSoftInputMode="stateAlwaysVisible" />

This will just work without you doing anything else with your code.

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将这添加到你的清单文件中

<activity android:windowSoftInputMode="stateVisible|adjustResize" . . . >

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这里是另一种方法： -

EditText editText = (EditText) findViewById(R.id.myEdit);
InputMethodManager mgr = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
// only will trigger it if no physical keyboard is open
mgr.showSoftInput(editText, InputMethodManager.SHOW_IMPLICIT);

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