?

android.app.Instrumentation好像原來是用來做測試的,

可以用來模擬很多activity的操作

主要代碼如下

如果在文本框中輸入24,或者25

點擊按鈕就能模擬音量加減鍵

鍵值可以查看android.view.KeyEvent

[java]?view plaincopy

package?com.qefee.testinstrumentation;??

??

import?android.app.Activity;??

import?android.app.Instrumentation;??

import?android.os.Bundle;??

import?android.view.KeyEvent;??

import?android.view.View;??

import?android.widget.Button;??

import?android.widget.EditText;??

import?android.widget.TextView;??

import?android.widget.Toast;??

??

public?class?MainActivity?extends?Activity?{??

????TextView?tv_showkey;??

????Button?btn_submit;??

????EditText?et_keycode;??

????Instrumentation?instrumentation;??

??

????@Override??

????protected?void?onCreate(Bundle?savedInstanceState)?{??

????????super.onCreate(savedInstanceState);??

????????setContentView(R.layout.activity_main);??

??

????????instrumentation?=?new?Instrumentation();??

????????getViews();??

??

????????//?通過按鈕點擊,模擬事件??

????????btn_submit.setOnClickListener(new?View.OnClickListener()?{??

??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????et_keycode.clearFocus();??

????????????????btn_submit.requestFocus();??

????????????????String?keycodeStr?=?et_keycode.getText().toString();??

??

????????????????if?(keycodeStr?==?null?||?"".equals(keycodeStr))?{??

????????????????????Toast.makeText(MainActivity.this,?"please?input?a?keycode",??

????????????????????????????Toast.LENGTH_SHORT).show();??

????????????????????return;??

????????????????}??

??

????????????????final?int?keycode?=?Integer.parseInt(keycodeStr);??

??

????????????????//?必需在線程中運行,否者報錯??

????????????????Thread?t?=?new?Thread(new?Runnable()?{??

??

????????????????????@Override??

????????????????????public?void?run()?{??

????????????????????????instrumentation.sendKeyDownUpSync(keycode);??

????????????????????}??

????????????????});??

????????????????t.start();??

??

????????????}??

????????});??

????}??

??

????/**?

?????*??

?????*/??

????private?void?getViews()?{??

????????tv_showkey?=?(TextView)?findViewById(R.id.tv_showcode);??

????????btn_submit?=?(Button)?findViewById(R.id.btn_submit);??

????????et_keycode?=?(EditText)?findViewById(R.id.et_keycode);??

????}??

??

????@Override??

????public?boolean?onKeyDown(int?keyCode,?KeyEvent?event)?{??

????????boolean?onKeyDown?=?super.onKeyDown(keyCode,?event);??

????????tv_showkey.setText("des?=?"?+?KeyEvent.keyCodeToString(keyCode)??

????????????????+?"?:?code?=?"?+?keyCode);??

????????System.out.println(event);??

????????//?System.out.println(event.getAction());??

????????//?System.out.println(event.getCharacters());??

????????//?System.out.println(event.getDeviceId());??

????????//?System.out.println(event.getDisplayLabel());??

????????//?System.out.println(event.getDownTime());??

????????//?System.out.println(event.getEventTime());??

????????//?System.out.println(event.getFlags());??

????????//?System.out.println(event.getKeyCode());??

????????//??

????????//?System.out.println(KeyEvent.keyCodeToString(keyCode));??

??

????????return?onKeyDown;??

????}??

}?

總結

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