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.ichi2.anki.CardEditor.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {
        Log.i(AnkiDroidApp.TAG, "CardEditor - onBackPressed()");
        closeCardEditor();//w  w w. j a va 2s. c o  m
        return true;
    }

    return super.onKeyDown(keyCode, event);
}

From source file:com.hichinaschool.flashcards.anki.CardEditor.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {
        // Log.i(AnkiDroidApp.TAG, "CardEditor - onBackPressed()");
        closeCardEditor();//from   w w  w  .j  a v  a  2 s  . c o m
        return true;
    }

    return super.onKeyDown(keyCode, event);
}

From source file:cn.finalteam.galleryfinal.PhotoEditActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        if (mCropState && !(mCropPhotoAction && !GalleryFinal.getFunctionConfig().isRotate()
                && !GalleryFinal.getFunctionConfig().isCamera())) {
            if ((GalleryFinal.getFunctionConfig().isForceCrop()
                    && GalleryFinal.getFunctionConfig().isForceCropEdit())) {
                mIvCrop.performClick();/*  w w  w .ja  va 2 s  .  c  o m*/
                return true;
            }
        }
    }
    return super.onKeyDown(keyCode, event);
}

From source file:com.ieeton.user.activity.MainActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        if ((System.currentTimeMillis() - mExitTime) > 2000) {
            Utils.showToast(this, "??", Toast.LENGTH_SHORT);
            mExitTime = System.currentTimeMillis();
        } else {/* w  w  w .  j ava 2 s.  c  om*/
            Utils.exitApp(this);
        }
        return true;
    }
    return super.onKeyDown(keyCode, event);
}

From source file:com.edible.ocr.CaptureActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {

        // First check if we're paused in continuous mode, and if so, just unpause.
        if (isPaused) {
            Log.d(TAG, "only resuming continuous recognition, not quitting...");
            resumeContinuousDecoding();/*from  w w w.ja va  2s . c o m*/
            return true;
        }

        // Exit the app if we're not viewing an OCR result.
        if (lastResult == null) {
            setResult(RESULT_CANCELED);
            finish();
            return true;
        } else {
            // Go back to previewing in regular OCR mode.
            resetStatusView();
            if (handler != null) {
                handler.sendEmptyMessage(R.id.restart_preview);
            }
            return true;
        }
    } else if (keyCode == KeyEvent.KEYCODE_CAMERA) {
        if (isContinuousModeActive) {
            onShutterButtonPressContinuous();
        } else {
            handler.hardwareShutterButtonClick();
        }
        return true;
    } else if (keyCode == KeyEvent.KEYCODE_FOCUS) {
        // Only perform autofocus if user is not holding down the button.
        if (event.getRepeatCount() == 0) {
            cameraManager.requestAutoFocus(500L);
        }
        return true;
    }
    return super.onKeyDown(keyCode, event);
}

From source file:com.abc.driver.MainActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {

        if (menu_display) {
            menuWindow.dismiss();/*w ww . j a va  2 s .  c o  m*/
            menu_display = false;
        } else {
            onBackPressed();
        }
    }

    else if (keyCode == KeyEvent.KEYCODE_MENU) {
        if (!menu_display) {
            inflater = (LayoutInflater) this.getSystemService(LAYOUT_INFLATER_SERVICE);
            layout = inflater.inflate(R.layout.main_menu, null);

            menuWindow = new PopupWindow(layout, LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT);
            menuWindow.showAtLocation(this.findViewById(R.id.mainweixin),
                    Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL, 0, 0);
            mClose = (LinearLayout) layout.findViewById(R.id.menu_close);
            mCloseBtn = (LinearLayout) layout.findViewById(R.id.menu_close_btn);

            mCloseBtn.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View arg0) {
                    Intent intent = new Intent();
                    menuWindow.dismiss();
                }
            });
            menu_display = true;
        } else {
            menuWindow.dismiss();
            menu_display = false;
        }

        return false;
    }
    return false;
}

From source file:org.openremote.android.console.GroupActivity.java

/**
 * If press back key, finish the activity.
 * /*from  w w w . j a v  a2s. c  o m*/
 * @see android.app.Activity#onKeyDown(int, android.view.KeyEvent)
 */
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {
        finish();
        return true;
    }
    return super.onKeyDown(keyCode, event);
}

From source file:com.fvd.nimbus.BrowseActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        if (drawer.isDrawerOpen(GravityCompat.START)) {
            drawer.closeDrawer(GravityCompat.START);
            return true;
        }// w ww  .ja v  a  2 s.c o  m
        if (floatMenu.isExpanded()) {
            //toggleTools();
            floatMenu.collapse();
            return true;
        }
        if (isInSelectionMode()) {
            wv.endSelectionMode();
            //wv.loadUrl("javascript:android.clearSelection();");
            return true;
        }
        /*if (wv.canGoBack()){
           wv.goBack();
           return true;
        }*/
        //overridePendingTransition( R.anim.slide_in_up, R.anim.slide_out_up );
        overridePendingTransition(R.anim.carbon_slide_in, R.anim.carbon_slide_out);
    } else if (keyCode == KeyEvent.KEYCODE_HOME) {
        //overridePendingTransition( R.anim.slide_in_up, R.anim.slide_out_up );
        overridePendingTransition(R.anim.carbon_slide_in, R.anim.carbon_slide_out);
        finish();
    }
    return super.onKeyDown(keyCode, event);
}

From source file:com.justwayward.reader.ui.activity.ReadActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    switch (keyCode) {
    case KeyEvent.KEYCODE_BACK:
        if (mTocListPopupWindow != null && mTocListPopupWindow.isShowing()) {
            mTocListPopupWindow.dismiss();
            gone(mTvBookReadTocTitle);/* w  w w  .  j  a v  a 2s.  c om*/
            visible(mTvBookReadReading, mTvBookReadCommunity, mTvBookReadChangeSource);
            return true;
        } else if (isVisible(rlReadAaSet)) {
            gone(rlReadAaSet);
            return true;
        } else if (isVisible(mLlBookReadBottom)) {
            hideReadBar();
            return true;
        } else if (!CollectionsManager.getInstance().isCollected(bookId)) {
            showJoinBookShelfDialog(recommendBooks);
            return true;
        }
        break;
    case KeyEvent.KEYCODE_MENU:
        toggleReadBar();
        return true;
    case KeyEvent.KEYCODE_VOLUME_DOWN:
        if (SettingManager.getInstance().isVolumeFlipEnable()) {
            return true;
        }
        break;
    case KeyEvent.KEYCODE_VOLUME_UP:
        if (SettingManager.getInstance().isVolumeFlipEnable()) {
            return true;
        }
        break;
    default:
        break;
    }
    return super.onKeyDown(keyCode, event);
}

Example usage for android.view KeyEvent KEYCODE_BACK

Introduction

Prototype

Document

Usage