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Android - 如何檢測動作媒體按鈕長按

[英]Android - How to detect action media button long press

我正在開發一個檢測耳機按鈕單擊和雙擊的應用程序(下面的代碼)。 單擊和雙擊工作正常,但長按不起作用。 下面的代碼在一個擴展 BroadcastReceiver 的類中。 我該如何解決這個問題? 非常感謝你。

@Override
public void onReceive(Context context, Intent intent)
{
    context1=context;
    intent1=intent;
    String intentAction=intent.getAction();
    if (!Intent.ACTION_MEDIA_BUTTON.equalsIgnoreCase(intentAction))
    {
        return;
    }
    KeyEvent event = (KeyEvent) intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
    if (event == null) {
        return;
    }
    int action = event.getAction();
    if (action == KeyEvent.ACTION_DOWN)
    {
        // do something

            d++;
            Handler handler = new Handler();
            Runnable r = new Runnable()
            {
                @Override
                public void run()
                {
                    // single click *******************************
                    if (d == 1)
                    {
                        Toast.makeText(context1, "single click!", Toast.LENGTH_SHORT).show();
                    }
                    // double click *********************************
                    if (d == 2)
                    {
                        Toast.makeText(context1, "Double click!!", Toast.LENGTH_SHORT).show();
                    }
                    d = 0;
                }
            };
            if (d == 1)
            {

                handler.postDelayed(r, 500);
            }
    }
    /**
     * for long click
     */
    if (action == KeyEvent.ACTION_UP)
    {
        if (SystemClock.uptimeMillis() - event.getDownTime() > 2000)
        {
            Toast.makeText(context, "Long click!", Toast.LENGTH_SHORT).show();
        }
    }
    abortBroadcast();
}

更新

這是 Main.class

public class Main extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener
{
private static final String TAG = "MainActivity";
PreferenceFragment pf;
@Override
protected void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);
    setContentView(R.layout.layout_main);

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    FragmentManager fragmentManager= getFragmentManager();
    SingoloClick singoloClick= new SingoloClick();
    FragmentTransaction ft=fragmentManager.beginTransaction();
    ft.replace(R.id.content_frame, singoloClick);
    ft.commit();

    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
            this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
    drawer.setDrawerListener(toggle);
    toggle.syncState();

    NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
    navigationView.setNavigationItemSelectedListener(this);

    IntentFilter filter = new IntentFilter(Intent.ACTION_MEDIA_BUTTON);//"android.intent.action.MEDIA_BUTTON"
    MediaButtonIntentReceiver r = new MediaButtonIntentReceiver();
    filter.setPriority(999); //this line sets receiver priority
    registerReceiver(r, filter);
((AudioManager)getSystemService(AUDIO_SERVICE)).registerMediaButtonEventReceiver(new ComponentName(getPackageName(), MediaButtonIntentReceiver.class.getName()));
}

@Override public void onResume()
{
    super.onResume();
}

@Override
public void onBackPressed()
{
    moveTaskToBack(true);
    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    if (drawer.isDrawerOpen(GravityCompat.START))
    {
        drawer.closeDrawer(GravityCompat.START);
    }
    /*else
    {
        super.onBackPressed();
    }*/
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item)
{
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();

    //noinspection SimplifiableIfStatement
    if (id == R.id.action_settings)
    {
        return true;
    }

    return super.onOptionsItemSelected(item);
}

@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
    // Handle navigation view item clicks here.
    int id = item.getItemId();
    if (id == R.id.nav_singoloClick)
    {
        setTitle(""+getResources().getString(R.string.singoloClick));
        FragmentManager fragmentManager= getFragmentManager();
        SingoloClick singoloClick= new SingoloClick();
        FragmentTransaction ft=fragmentManager.beginTransaction();
        ft.replace(R.id.content_frame, singoloClick);
        ft.commit();
    } else if (id == R.id.nav_doppioClick)
    {
        setTitle(""+getResources().getString(R.string.doppioClick));
        FragmentManager fragmentManager= getFragmentManager();
        DoppioClick doppioClick= new DoppioClick();
        FragmentTransaction ft=fragmentManager.beginTransaction();
        ft.replace(R.id.content_frame, doppioClick);
        ft.commit();
    } else if (id == R.id.nav_lungoClick)
    {
    } 

    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    drawer.closeDrawer(GravityCompat.START);
    return true;
}


@Override
protected void onDestroy()
{
    super.onDestroy();
    android.os.Process.killProcess(android.os.Process.myPid());*/
}

@Override public void onPause()
{
    super.onPause();
}
}

這是 Manifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example">

<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />

<application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name"
    android:supportsRtl="true" android:theme="@style/AppTheme">
    <activity android:name=".Main" android:label="@string/app_name" android:theme="@style/AppTheme.NoActionBar">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>

    <receiver android:name=".MediaButtonIntentReceiver">
        <intent-filter android:priority="999">
            <action android:name="android.intent.action.MEDIA_BUTTON" />
        </intent-filter>
        <intent-filter android:priority="0">
            <action android:name="android.intent.action.VOICE_COMMAND" />
            <category android:name="android.intent.category.DEFAULT" />
        </intent-filter>
    </receiver>
</application>

嘗試使用另一個關鍵事件 KeyEvent.OTHER ... 我在文檔中發現的內容:

  /**
     * This flag is set for the first key repeat that occurs after the
     * long press timeout.
     */
    public static final int FLAG_LONG_PRESS = 0x80;

更新:另一種解決方案,用於在按下按鈕時捕獲時間。

final Timer timer = new Timer();
button.setOnTouchListener(new OnTouchListener() {
    @Override
    public boolean onTouch(View arg0, MotionEvent arg1) {
        switch ( arg1.getAction() ) {
        case MotionEvent.ACTION_DOWN:
            //start timer
            timer.schedule(new TimerTask() {
                @Override
                public void run() {
                    // invoke intent
                }
            }, 5000); //time out 5s
            return true;
        case MotionEvent.ACTION_UP:
            //stop timer
            timer.cancel();
            return true;
        }
        return false;
    }
});

更新 2:

看起來您的問題是您在 onTouchEvent 中處理觸摸事件的方式。 該方法 ACTION_UP - 不起作用! 如果要處理觸摸事件,則需要從 onTouchEvent 返回 true。 因此,如果您收到 ACTION_DOWN 並從 onTouchEvent 返回 false,系統將不會再向您發送任何相關的觸摸事件,直到下一個 ACTION_DOWN 事件發生。

如果你想接收除 ACTION_DOWN 之外的任何觸摸事件,你需要從 onTouchEvent 返回 true,那個按鈕。 但你不能這樣做,所以需要考慮另一種解決方案。

更新 3

正如我所說,需要創建其他解決方案,因為 KEY_ACTION_UP 不起作用。 也許也試試這個解決方案。

對於長按一個鍵的手柄:

@Override
public boolean onKeyLongPress(int keyCode, KeyEvent event) {
        // TODO Auto-generated method stub
}

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