Only report output location on completion

Instead of previewing the transcode result in a half video or
audio viewer, only report where the result was written.
In the future there can be a button to launcher a native
viewer.

Author: brarcher

app/build.gradle

@@ -44,7 +44,6 @@ dependencies {
     compile 'com.android.support:design:27.0.2'
     compile 'com.writingminds:FFmpegAndroid:0.3.2'
     compile 'org.florescu.android.rangeseekbar:rangeseekbar-library:0.3.0'
-    compile 'com.android.support:cardview-v7:27.0.2'
     compile 'commons-io:commons-io:2.5'
     compile group: 'com.google.guava', name: 'guava', version: '20.0'
     testCompile 'junit:junit:4.12'

app/src/main/AndroidManifest.xml

@@ -20,18 +20,6 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".activity.PreviewActivity"
-            android:screenOrientation="portrait">
-
-        </activity>
-        <activity android:name=".activity.PreviewImageActivity"
-            android:screenOrientation="portrait">
-
-        </activity>
-        <activity android:name=".activity.AudioPreviewActivity"
-            android:screenOrientation="portrait">
-
-        </activity>
     </application>
 
 </manifest>

app/src/main/java/protect/videotranscoder/FFmpegResponseHandler.java

@@ -2,7 +2,6 @@
 
 import android.app.ProgressDialog;
 import android.content.Context;
-import android.content.Intent;
 import android.util.Log;
 
 import com.github.hiteshsondhi88.libffmpeg.ExecuteBinaryResponseHandler;
@@ -12,29 +11,31 @@ public class FFmpegResponseHandler extends ExecuteBinaryResponseHandler
     private static final String TAG = "VideoTranscoder";
 
     private final Context _context;
-    private final Intent _intentToLaunch;
     private final long _durationMs;
     private final ProgressDialog _progressDialog;
+    private final ResultCallbackHandler<Boolean> _resultHandler;
 
-    public FFmpegResponseHandler(Context context, Intent intent, long durationMs, ProgressDialog progressDialog)
+    public FFmpegResponseHandler(Context context, long durationMs, ProgressDialog progressDialog,
+                                 ResultCallbackHandler<Boolean> resultHandler)
     {
         _context = context;
-        _intentToLaunch = intent;
         _durationMs = durationMs;
         _progressDialog = progressDialog;
+        _resultHandler = resultHandler;
     }
 
     @Override
     public void onFailure(String s)
     {
         Log.d(TAG, "Failed with output : " + s);
+        _resultHandler.onResult(false);
     }
 
     @Override
     public void onSuccess(String s)
     {
         Log.d(TAG, "Success with output : " +s);
-        _context.startActivity(_intentToLaunch);
+        _resultHandler.onResult(true);
     }
 
     @Override

app/src/main/java/protect/videotranscoder/activity/AudioPreviewActivity.java

@@ -394,6 +394,39 @@ public void onClick(DialogInterface dialog, int which)
 
     }
 
+    private ResultCallbackHandler<Boolean> _transcodeResultHandler = new ResultCallbackHandler<Boolean>()
+    {
+        @Override
+        public void onResult(Boolean result)
+        {
+            String message;
+
+            if(result)
+            {
+                message = getResources().getString(R.string.transcodeSuccess, filePath);
+            }
+            else
+            {
+                message = getResources().getString(R.string.transcodeFailed);
+            }
+
+            new AlertDialog.Builder(MainActivity.this)
+                    .setMessage(message)
+                    .setCancelable(true)
+                    .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener()
+                    {
+                        public void onClick(DialogInterface dialog, int which)
+                        {
+                            dialog.dismiss();
+                        }
+                    })
+                    .show();
+
+            videoView.seekTo(stopPosition);
+            videoView.start();
+        }
+    };
+
     /**
      * Command for cutting video
      */
@@ -422,10 +455,7 @@ private void executeCutVideoCommand(int startMs, int endMs)
 
         final String[] complexCommand = {"-ss", "" + startMs / 1000, "-y", "-i", yourRealPath, "-t", "" + (endMs - startMs) / 1000,"-vcodec", "mpeg4", "-b:v", "2097152", "-b:a", "48000", "-ac", "2", "-ar", "22050", filePath};
 
-        Intent successIntent = new Intent(MainActivity.this, PreviewActivity.class);
-        successIntent.putExtra(FILEPATH, filePath);
-
-        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, successIntent, durationMs, progressDialog);
+        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, durationMs, progressDialog, _transcodeResultHandler);
         FFmpegUtil.call(complexCommand, handler);
 
         stopPosition = videoView.getCurrentPosition(); //stopPosition is an int
@@ -459,10 +489,7 @@ private void executeCompressCommand()
         filePath = dest.getAbsolutePath();
         String[] complexCommand = {"-y", "-i", yourRealPath, "-s", "160x120", "-r", "25", "-vcodec", "mpeg4", "-b:v", "150k", "-b:a", "48000", "-ac", "2", "-ar", "22050", filePath};
 
-        Intent successIntent = new Intent(MainActivity.this, PreviewActivity.class);
-        successIntent.putExtra(FILEPATH, filePath);
-        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, successIntent, durationMs, progressDialog);
-
+        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, durationMs, progressDialog, _transcodeResultHandler);
         FFmpegUtil.call(complexCommand, handler);
 
         stopPosition = videoView.getCurrentPosition();
@@ -508,10 +535,7 @@ private void extractImagesVideo(int startMs, int endMs)
 
         String[] complexCommand = {"-y", "-i", yourRealPath, "-an", "-r", "1", "-ss", "" + startMs / 1000, "-t", "" + (endMs - startMs) / 1000, dest.getAbsolutePath()};
 
-        Intent successIntent = new Intent(MainActivity.this, PreviewImageActivity.class);
-        successIntent.putExtra(FILEPATH, filePath);
-        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, successIntent, durationMs, progressDialog);
-
+        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, durationMs, progressDialog, _transcodeResultHandler);
         FFmpegUtil.call(complexCommand, handler);
 
         stopPosition = videoView.getCurrentPosition(); //stopPosition is an int
@@ -544,10 +568,7 @@ private void extractAudioVideo()
 
         String[] complexCommand = {"-y", "-i", yourRealPath, "-vn", "-ar", "44100", "-ac", "2", "-b:a", "256k", "-f", "mp3", filePath};
 
-        Intent successIntent = new Intent(MainActivity.this, AudioPreviewActivity.class);
-        successIntent.putExtra(FILEPATH, filePath);
-        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, successIntent, durationMs, progressDialog);
-
+        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, durationMs, progressDialog, _transcodeResultHandler);
         FFmpegUtil.call(complexCommand, handler);
 
         stopPosition = videoView.getCurrentPosition(); //stopPosition is an int