Example usage for android.view KeyEvent KEYCODE_BACK

List of usage examples for android.view KeyEvent KEYCODE_BACK

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  4. android.view.*
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  6. KEYCODE_BACK

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.android.firewall.FirewallListPage.java

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

    if (keyCode == KeyEvent.KEYCODE_BACK) {
        if (isQuit == false) {
            isQuit = true;//from  w  ww .  ja va  2s . c o m
            Toast.makeText(getBaseContext(), "click back again to close", Toast.LENGTH_SHORT).show();
            TimerTask task = null;
            task = new TimerTask() {
                @Override
                public void run() {
                    isQuit = false;
                }
            };
            timer.schedule(task, 2000);
        } else {
            finish();
        }
    } else {
    }
    return false;
}

From source file:ch.gianulli.trelloapi.ui.AuthenticationDialogFragment.java

@Nullable
@Override/*ww w  .  j a  va2  s .c  om*/
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    if (getDialog() != null) {
        getDialog().requestWindowFeature(Window.FEATURE_NO_TITLE);
    }

    View v = inflater.inflate(R.layout.dialog_authentication, container, false);

    mProgressIndicator = (ProgressBar) v.findViewById(R.id.progress_indicator);
    mWebView = (WebView) v.findViewById(R.id.webview);

    // Catch token
    mWebView.setWebViewClient(new WebViewClient() {

        @Override
        public void onPageStarted(WebView view, String url, Bitmap favicon) {
            setProgressIndicatorVisibility(true);
        }

        @Override
        public void onPageFinished(WebView view, String url) {
            setProgressIndicatorVisibility(false);
            if (url.equals(URL_TOKEN)) {
                // Get token and close dialog
                mWebView.loadUrl("javascript:window.HTMLOUT.parseHTML('<html>'+document"
                        + ".getElementsByTagName('html')[0].innerHTML+'</html>');");
            } else {
                super.onPageFinished(view, url);
            }
        }
    });
    WebSettings webSettings = mWebView.getSettings();
    webSettings.setJavaScriptEnabled(true);
    mWebView.addJavascriptInterface(new MyJavaScriptInterface(), "HTMLOUT");
    mWebView.setVisibility(View.GONE);

    mWebView.setOnKeyListener(new View.OnKeyListener() {
        @Override
        public boolean onKey(View v, int keyCode, KeyEvent event) {
            if (event.getAction() == KeyEvent.ACTION_UP) {
                switch (keyCode) {
                case KeyEvent.KEYCODE_BACK:
                    if (mWebView.canGoBack()) {
                        mWebView.goBack();
                        return true;
                    }
                }

            }
            return false;
        }
    });

    // Load first page
    setProgressIndicatorVisibility(true);
    try {
        mWebView.loadUrl(URL_AUTHORIZATION + "key=" + mApi.getAppKey() + "&name="
                + URLEncoder.encode(getString(R.string.app_name), "UTF-8")
                + "&expiration=never&response_type=token&scope=read,write");
    } catch (UnsupportedEncodingException e) {
        // never happens
    }

    return v;
}

From source file:org.lol.reddit.activities.CommentEditActivity.java

@Override
public boolean onOptionsItemSelected(MenuItem item) {

    if (item.getTitle().equals(getString(R.string.comment_edit_save))) {

        final ProgressDialog progressDialog = new ProgressDialog(this);
        progressDialog.setTitle(getString(R.string.comment_reply_submitting_title));
        progressDialog.setMessage(getString(R.string.comment_reply_submitting_message));
        progressDialog.setIndeterminate(true);
        progressDialog.setCancelable(true);
        progressDialog.setCanceledOnTouchOutside(false);

        progressDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
            public void onCancel(final DialogInterface dialogInterface) {
                General.quickToast(CommentEditActivity.this, R.string.comment_reply_oncancel);
                progressDialog.dismiss();
            }/*from www .j a  v  a 2s. c om*/
        });

        progressDialog.setOnKeyListener(new DialogInterface.OnKeyListener() {
            public boolean onKey(final DialogInterface dialogInterface, final int keyCode,
                    final KeyEvent keyEvent) {

                if (keyCode == KeyEvent.KEYCODE_BACK) {
                    General.quickToast(CommentEditActivity.this, R.string.comment_reply_oncancel);
                    progressDialog.dismiss();
                }

                return true;
            }
        });

        final APIResponseHandler.ActionResponseHandler handler = new APIResponseHandler.ActionResponseHandler(
                this) {
            @Override
            protected void onSuccess() {
                General.UI_THREAD_HANDLER.post(new Runnable() {
                    public void run() {
                        if (progressDialog.isShowing())
                            progressDialog.dismiss();
                        General.quickToast(CommentEditActivity.this, R.string.comment_edit_done);
                        finish();
                    }
                });
            }

            @Override
            protected void onCallbackException(Throwable t) {
                BugReportActivity.handleGlobalError(CommentEditActivity.this, t);
            }

            @Override
            protected void onFailure(RequestFailureType type, Throwable t, StatusLine status,
                    String readableMessage) {

                final RRError error = General.getGeneralErrorForFailure(context, type, t, status, null);

                General.UI_THREAD_HANDLER.post(new Runnable() {
                    public void run() {
                        General.showResultDialog(CommentEditActivity.this, error);
                        if (progressDialog.isShowing())
                            progressDialog.dismiss();
                    }
                });
            }

            @Override
            protected void onFailure(final APIFailureType type) {

                final RRError error = General.getGeneralErrorForFailure(context, type);

                General.UI_THREAD_HANDLER.post(new Runnable() {
                    public void run() {
                        General.showResultDialog(CommentEditActivity.this, error);
                        if (progressDialog.isShowing())
                            progressDialog.dismiss();
                    }
                });
            }
        };

        final CacheManager cm = CacheManager.getInstance(this);
        final RedditAccount selectedAccount = RedditAccountManager.getInstance(this).getDefaultAccount();

        RedditAPI.editComment(cm, handler, selectedAccount, commentIdAndType, textEdit.getText().toString(),
                this);

        progressDialog.show();

    } else if (item.getTitle().equals(getString(R.string.comment_reply_preview))) {
        MarkdownPreviewDialog.newInstance(textEdit.getText().toString()).show(getSupportFragmentManager());
    }

    return true;
}

From source file:com.github.fielddb.storybook.ui.StoryBookSubExperiment.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if ((keyCode == KeyEvent.KEYCODE_BACK)) {
        Intent intent = new Intent(Config.INTENT_FINISHED_SUB_EXPERIMENT);
        intent.putExtra(Config.EXTRA_STIMULI, this.mStimuli);
        this.setResult(Config.CODE_EXPERIMENT_COMPLETED, intent);
        this.finish();
    }//from ww  w. java2s.c o  m
    return super.onKeyDown(keyCode, event);

}

From source file:com.flan.stock.activity.HomeActivity.java

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

    if (keyCode == KeyEvent.KEYCODE_BACK) {
        exitBy2Click();/*from w  ww.  j  a v  a  2 s .c o  m*/
    }
    return false;
}

From source file:com.johnny.gank.ui.activity.WebviewActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if ((keyCode == KeyEvent.KEYCODE_BACK) && vWebView.canGoBack()) {
        vWebView.goBack();/*w  w  w  .j a v  a2  s . co  m*/
        return true;
    }
    return super.onKeyDown(keyCode, event);
}

From source file:com.longle1.facedetection.MainActivity.java

@Override
public boolean onKeyDown(int keycode, KeyEvent event) {
    if (keycode == KeyEvent.KEYCODE_BACK) {
        this.finish();
        return true;
    }//ww w . j a v a  2 s .c  o  m
    return super.onKeyDown(keycode, event);
}

From source file:com.app.blockydemo.ui.fragment.FormulaEditorScriptListFragment.java

@Override
public void onListItemClick(int position) {
    Log.d("catroid", "onListItemClick");
    if (!inContextMode) {
        FormulaEditorFragment formulaEditor = (FormulaEditorFragment) getActivity().getSupportFragmentManager()
                .findFragmentByTag(FormulaEditorFragment.FORMULA_EDITOR_FRAGMENT_TAG);
        if (formulaEditor != null) {
            formulaEditor.addUserVariableToActiveFormula(adapter.getItem(position).getName());
            formulaEditor.updateButtonViewOnKeyboard();
        }/*from   ww  w.  j  a v  a  2 s . c  o m*/
        KeyEvent keyEvent = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_BACK);
        onKey(null, keyEvent.getKeyCode(), keyEvent);
    }

}

From source file:com.example.android.animationsdemo.ListViewDraggingAnimation.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        TextView tv = (TextView) listView.getChildAt(0);
        Log.v("settingspage", "Text from textview" + tv.getText());
        int k = listView.getCount();
        Log.v("settingspage", "Number of views" + String.valueOf(k));
        String[] libraries = new String[k];
        for (int i = 0; i < k; i++) {
            tv = (TextView) listView.getChildAt(i);
            libraries[i] = (String) tv.getText();
            Log.v("settingspage", "valueoflib" + libraries[i]);
            SharedPreferences settings3 = getApplicationContext()
                    .getSharedPreferences("com.example.android.animationsdemo", 0);
            SharedPreferences.Editor editor3 = settings3.edit();
            editor3.putString(String.valueOf(i), libraries[i]);
            editor3.putString(libraries[i] + "new", String.valueOf(i));

            editor3.apply();//from  w  w w . ja v a2  s.  c o  m
        }
        Intent i = new Intent(ListViewDraggingAnimation.this, ScreenSlideActivity.class);
        startActivity(i);
        finish();
    }
    return false;
}

From source file:com.deadpixels.light.clipper.Settings.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK && shouldRestartHome) {
        Log.v(Home.TAG, "Restarting home");
        NavUtils.navigateUpFromSameTask(this);
        return true;
    }/* w w  w  .j  a va 2s  . c  o  m*/
    return super.onKeyDown(keyCode, event);
}