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POAndroid : Make buttons appear at bottom of screen
 

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  1. POAndroid : Make buttons appear at bottom of screen
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    <p>I have a class to record audio notes i wish to implement this into an existing activity, however the record and play buttons in this instance, end up at the top of the screen and mess things up.</p> <p>Where and how can I specify the display properties of the button's using the following code...</p> <p><strong>JAVA</strong> - AudioRecordTest.java</p> <pre><code>public class AudioRecordTest extends Activity { private static final String LOG_TAG = "AudioRecordTest"; private static String mFileName = null; private RecordButton mRecordButton = null; private MediaRecorder mRecorder = null; private PlayButton mPlayButton = null; private MediaPlayer mPlayer = null; private void onRecord(boolean start) { if (start) { startRecording(); } else { stopRecording(); } } private void onPlay(boolean start) { if (start) { startPlaying(); } else { stopPlaying(); } } private void startPlaying() { mPlayer = new MediaPlayer(); try { mPlayer.setDataSource(mFileName); mPlayer.prepare(); mPlayer.start(); } catch (IOException e) { Log.e(LOG_TAG, "prepare() failed"); } } private void stopPlaying() { mPlayer.release(); mPlayer = null; } private void startRecording() { mRecorder = new MediaRecorder(); mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); mRecorder.setOutputFile(mFileName); mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); try { mRecorder.prepare(); } catch (IOException e) { Log.e(LOG_TAG, "prepare() failed"); } mRecorder.start(); } private void stopRecording() { mRecorder.stop(); mRecorder.release(); mRecorder = null; } class RecordButton extends Button { boolean mStartRecording = true; OnClickListener clicker = new OnClickListener() { public void onClick(View v) { onRecord(mStartRecording); if (mStartRecording) { setText("Stop recording"); } else { setText("Start recording"); } mStartRecording = !mStartRecording; } }; public RecordButton(Context ctx) { super(ctx); setText("Start recording"); setOnClickListener(clicker); } } class PlayButton extends Button { boolean mStartPlaying = true; OnClickListener clicker = new OnClickListener() { public void onClick(View v) { onPlay(mStartPlaying); if (mStartPlaying) { setText("Stop playing"); } else { setText("Start playing"); } mStartPlaying = !mStartPlaying; } }; public PlayButton(Context ctx) { super(ctx); setText("Start playing"); setOnClickListener(clicker); } } public AudioRecordTest() { mFileName = Environment.getExternalStorageDirectory().getAbsolutePath(); mFileName += "/audiorecordtest.3gp"; } @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); mRecordButton = new RecordButton(this); mPlayButton = new PlayButton(this); setContentView(R.layout.activity_audio_record_test); } @Override public void onPause() { super.onPause(); if (mRecorder != null) { mRecorder.release(); mRecorder = null; } if (mPlayer != null) { mPlayer.release(); mPlayer = null; } } } </code></pre> <p><strong>XML</strong> - activity_audio_record_test.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="vertical" &gt; &lt;ScrollView android:layout_height="fill_parent" android:layout_width="fill_parent" &gt; &lt;LinearLayout android:layout_height="fill_parent" android:layout_width="fill_parent" android:orientation="vertical"&gt; &gt; &lt;TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Inspection ID" /&gt; &lt;EditText android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@+id/txtName" android:inputType="number" android:maxLength="5" android:digits="0123456789" android:singleLine="true" /&gt; &lt;TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Text1" /&gt; &lt;EditText android:id="@+id/txt1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:autoText="false" android:gravity="top|left" android:lines="4" android:maxLines="4" android:minLines="4" android:scrollbars="vertical" android:singleLine="false" android:width="0dip" /&gt; &lt;TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Project Ref" /&gt; &lt;EditText android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@+id/txtAge" android:inputType="number" android:maxLength="5" android:digits="0123456789" android:singleLine="true" /&gt; &lt;TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Drop Down" /&gt; &lt;Spinner android:id="@+id/spinDept" android:layout_width="fill_parent" android:layout_height="wrap_content" /&gt; &lt;Button android:id="@+id/btnPhotoCamera" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:text="Take Image with Camera" /&gt; &lt;Button android:id="@+id/btnPhotoGallery" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:text="Get Image from Gallery" /&gt; &lt;TextView android:id="@+id/lblDisplayImage" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/btnCancel" android:layout_centerHorizontal="true" android:layout_marginTop="10dp" android:text="below_this_text_image_will_be_displayed" android:textSize="13dp" /&gt; &lt;RelativeLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_below="@+id/lblDisplayImage" android:layout_centerInParent="true" android:layout_marginTop="10dp" android:gravity="bottom" &gt; &lt;!-- &lt;ScrollView android:layout_width="match_parent" android:layout_height="wrap_content" &gt; --&gt; &lt;ImageView android:id="@+id/imgDisplayImage" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_centerInParent="true" android:contentDescription="area_where_image_is_to_be_displayed" /&gt; &lt;!-- &lt;/ScrollView&gt; --&gt; &lt;/RelativeLayout&gt; &lt;------------------- RECORD AND PLAY BUTTONS TO GO HERE -------------&gt; &lt;Button android:id="@+id/btnAdd" android:layout_width="match_parent" android:layout_height="wrap_content" android:onClick="btnAddEmp_Click" android:text="Save Inspection" /&gt; &lt;Button android:id="@+id/btnCancel" android:layout_width="120dp" android:layout_height="wrap_content" android:layout_below="@+id/btnPhotoGallery" android:layout_centerHorizontal="true" android:layout_marginTop="19dp" android:text="Reset/Clear Form Data" /&gt; &lt;TextView android:id="@+id/txtEmps" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Number of Inspections on Device " /&gt; &lt;/LinearLayout&gt; &lt;/ScrollView&gt; &lt;/LinearLayout&gt; </code></pre> <p>Thanks,</p> <p>henry</p>
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    1. USHenry Aspden
    1. USHenry Aspden
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    1. COthe positioning of any widgets is normally done within the layout-files(xml). can you show whats inside the xml-file where your buttons are?
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      1. POAndroid : Make buttons appear at bottom of screen
      1. USbofredo
    2. CO@bofredo the `Button`s are created programmatically
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      1. POAndroid : Make buttons appear at bottom of screen
      1. UScodeMagic
    3. COordinaratly, I would launch an intent using a button and an `onClick` however in this case, the buttons appear "MAGICALLY" from what i believe to be `@Override public void onCreate(Bundle icicle) {...`
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      1. POAndroid : Make buttons appear at bottom of screen
      1. USHenry Aspden
 

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