Example usage for android.view KeyEvent KEYCODE

Introduction

In this page you can find the example usage for android.view KeyEvent KEYCODE_BACK.

Prototype

int KEYCODE_BACK

To view the source code for android.view KeyEvent KEYCODE_BACK.

Click Source Link

Document

Key code constant: Back key.

Usage

From source file:com.maskyn.fileeditorpro.activity.MainActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {

    if (keyCode == KeyEvent.KEYCODE_BACK) {
        onBackPressed();/* w  w w .j  a  v  a2 s.  co  m*/
        return true;
    } else if (keyCode == KeyEvent.KEYCODE_MENU) {
        return false;
    } else {
        if (mEditor == null)
            mEditor = (Editor) findViewById(R.id.editor);

        // this will happen on first key pressed on hard-keyboard only. Once myInputField
        // gets the focus again, it will automatically receive further key presses.

        try {
            if (fileOpened && mEditor != null && !mEditor.hasFocus()) {
                mEditor.requestFocus();
                mEditor.onKeyDown(keyCode, event);
                return true;
            }
        } catch (NullPointerException ex) {

        }
    }

    return false;
}

From source file:com.jwork.spycamera.MainFragment.java

public boolean onKeyDown(int keyCode, KeyEvent event) {
    log.v(this, "onKeyDown(keycode:" + keyCode + ")");
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        return controller.pressBack();
    } else if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
        return controller.pressVolumeDown();
        //         //TODO
        //         LinearLayout linearLayout = (LinearLayout) view.findViewById(R.id.linearLayoutPreview);
        //         linearLayout.removeView(svPreview);
        //         return true;
    } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
        return controller.pressVolumeUp();
        //         //TODO
        //         LinearLayout linearLayout = (LinearLayout) view.findViewById(R.id.linearLayoutPreview);
        //         linearLayout.addView(svPreview, 1);
        //         return true;
    } else if (keyCode == KeyEvent.KEYCODE_MENU) {
        return controller.pressMenu();
    }//from  w w  w .  j a va 2  s . c om
    return false;
}

From source file:it.unipr.ce.dsg.gamidroid.activities.SensorDataViewActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        stopThread();/*from   ww  w  .j  a  v a 2  s.  c  om*/
        GamiNode.getAndroidGamiNode(mContext).getRfm().stopTemperatureNotificationLookup();
        onBackPressed();
    }
    return super.onKeyDown(keyCode, event);
}

From source file:cn.edu.sdu.online.activity.FragmentTabsPager.java

/** 
 * ???? /*from   w w w  . j  a  v  a 2  s. c o m*/
 */
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    // TODO Auto-generated method stub  
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        exitBy2Click(); //?  
    }
    return false;
}

From source file:fm.libre.droid.LibreDroid.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if ((keyCode == KeyEvent.KEYCODE_BACK)) {
        if (this.libreServiceConn.service.getCurrentPage() > 0) {
            if (this.libreServiceConn.service.getCurrentPage() == 4) {
                // Back three pages if we're on the player page to get back to the main menu
                this.prevPage();
                this.prevPage();
            }/* w  ww. ja  va  2 s. c o m*/
            this.prevPage();
            LibreDroid.this.libreServiceConn.service.stop();
            return true;
        }
    }
    return super.onKeyDown(keyCode, event);
}

From source file:com.yi4all.rupics.ImageDetailActivity.java

@Override
public boolean onKeyDown(int keyCoder, KeyEvent event) {
    int keyCode = event.getKeyCode();
    switch (keyCode) {
    case KeyEvent.KEYCODE_BACK:
        if (popMenuPanel.getVisibility() == View.VISIBLE) {
            popMenuPanel.setVisibility(View.GONE);
            return true;
        } else {/*from   w w  w.j a  va2  s . c om*/
            return super.onKeyDown(keyCoder, event);
        }

    default:
        return false;
    }
}

From source file:jp.co.rakuten.rakutenvideoplayer.base.BaseActivity.java

/**
 * Show dialog error//w ww .j  a v a 2  s . c  o m
 * @param errStr
 */
public void showDialogError(String errStr) {
    AlertDialog.Builder adb = new AlertDialog.Builder(this);
    adb.setIcon(R.drawable.icon);
    adb.setTitle(R.string.str_ErrPlay_Title);
    adb.setMessage(errStr);
    adb.setPositiveButton(R.string.str_OK, new OnClickListener() {
        public void onClick(DialogInterface a0, int a1) {
            finish();
        }
    });
    adb.setOnKeyListener(new OnKeyListener() {

        @Override
        public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) {

            if (keyCode == KeyEvent.KEYCODE_BACK) {
                dialog.dismiss();
                finish();

                return true;
            }

            return false;
        }

    });

    AlertDialog ad = adb.create();
    ad.show();
}

From source file:com.kciray.android.filemanager.MainActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        activeDirView.goUp();/*from   w  w w .  ja va 2 s .co  m*/
        return true;
    }
    return super.onKeyDown(keyCode, event);
}

From source file:cc.softwarefactory.lokki.android.activities.MainActivity.java

@Override
public boolean onKeyUp(int keycode, KeyEvent e) {
    switch (keycode) {
    case KeyEvent.KEYCODE_MENU:
        mNavigationDrawerFragment.toggleDrawer();
        return true;

    case KeyEvent.KEYCODE_BACK:
        if (selectedOption == 0) {
            Log.e(TAG, "Exiting app because requested by user.");
            finish();/*from ww w .  j  a va2 s .  c  o m*/
        } else if (selectedOption == -10) { // -10 is add contacts screen
            mNavigationDrawerFragment.selectItem(3); // 3 is contacts screen
            return true;
        } else {
            mNavigationDrawerFragment.selectItem(1);
            return true;
        }
    }
    return super.onKeyUp(keycode, e);
}

From source file:android.car.ui.provider.CarDrawerLayout.java

@Override
public boolean dispatchKeyEvent(@NonNull KeyEvent keyEvent) {
    int action = keyEvent.getAction();
    int keyCode = keyEvent.getKeyCode();
    final View drawerView = findDrawerView();
    if (drawerView != null && getDrawerLockMode(drawerView) == LOCK_MODE_UNLOCKED) {
        if (isDrawerOpen()) {
            if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT || keyCode == KeyEvent.KEYCODE_SOFT_RIGHT) {
                closeDrawer();/*from  w  w  w .  ja v  a 2 s . c om*/
                return true;
            } else if (keyCode == KeyEvent.KEYCODE_BACK && action == KeyEvent.ACTION_UP
                    && mDrawerControllerListener != null) {
                mDrawerControllerListener.onBack();
                return true;
            } else {
                return drawerView.dispatchKeyEvent(keyEvent);
            }
        }
    }

    return mContentView.dispatchKeyEvent(keyEvent);
}

Example usage for android.view KeyEvent KEYCODE_BACK

Introduction

Prototype

Document

Usage