update edittext to list

deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/MiniActivity.java

@@ -131,7 +131,7 @@ public class MiniActivity extends AppCompatActivity {
      */
     private boolean onRunModel() {
         try {
-            String assetImagePath = "images/5.jpg";
+            String assetImagePath = "images/0.jpg";
             InputStream imageStream = getAssets().open(assetImagePath);
             Bitmap image = BitmapFactory.decodeStream(imageStream);
             // Input is Bitmap

deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/SettingsActivity.java

@@ -17,7 +17,7 @@ public class SettingsActivity extends AppCompatPreferenceActivity implements Sha
     CheckBoxPreference cbEnableCustomSettings = null;
     EditTextPreference etModelPath = null;
     EditTextPreference etLabelPath = null;
-    EditTextPreference etImagePath = null;
+    ListPreference etImagePath = null;
     ListPreference lpCPUThreadNum = null;
     ListPreference lpCPUPowerMode = null;
     ListPreference lpInputColorFormat = null;
@@ -84,7 +84,7 @@ public class SettingsActivity extends AppCompatPreferenceActivity implements Sha
         etModelPath = (EditTextPreference) findPreference(getString(R.string.MODEL_PATH_KEY));
         etModelPath.setTitle("Model Path (SDCard: " + Utils.getSDCardDirectory() + ")");
         etLabelPath = (EditTextPreference) findPreference(getString(R.string.LABEL_PATH_KEY));
-        etImagePath = (EditTextPreference) findPreference(getString(R.string.IMAGE_PATH_KEY));
+        etImagePath = (ListPreference) findPreference(getString(R.string.IMAGE_PATH_KEY));
         lpCPUThreadNum =
                 (ListPreference) findPreference(getString(R.string.CPU_THREAD_NUM_KEY));
         lpCPUPowerMode =
@@ -119,7 +119,7 @@ public class SettingsActivity extends AppCompatPreferenceActivity implements Sha
                 editor.putString(getString(R.string.INPUT_STD_KEY), preInstalledInputStds.get(modelIdx));
                 editor.putString(getString(R.string.SCORE_THRESHOLD_KEY),
                         preInstalledScoreThresholds.get(modelIdx));
-                editor.commit();
+                editor.apply();
             }
             lpChoosePreInstalledModel.setSummary(modelPath);
         }
@@ -159,7 +159,7 @@ public class SettingsActivity extends AppCompatPreferenceActivity implements Sha
         etLabelPath.setSummary(labelPath);
         etLabelPath.setText(labelPath);
         etImagePath.setSummary(imagePath);
-        etImagePath.setText(imagePath);
+        etImagePath.setValue(imagePath);
         lpCPUThreadNum.setValue(cpuThreadNum);
         lpCPUThreadNum.setSummary(cpuThreadNum);
         lpCPUPowerMode.setValue(cpuPowerMode);

deploy/android_demo/app/src/main/res/menu/menu_action_options.xml

 <menu xmlns:android="http://schemas.android.com/apk/res/android"
       xmlns:app="http://schemas.android.com/apk/res-auto">
-    <group android:id="@+id/pick_image">
-        <item
-                android:id="@+id/open_gallery"
-                android:title="Open Gallery"
-                app:showAsAction="withText"/>
-
-        <item
-                android:id="@+id/take_photo"
-                android:title="Take Photo"
-                app:showAsAction="withText"/>
-    </group>
 
     <group>
         <item

deploy/android_demo/app/src/main/res/values/arrays.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
+    <string-array name="image_name_entries">
+        <item>0.jpg</item>
+        <item>90.jpg</item>
+        <item>180.jpg</item>
+        <item>270.jpg</item>
+    </string-array>
+    <string-array name="image_name_values">
+        <item>images/0.jpg</item>
+        <item>images/90.jpg</item>
+        <item>images/180.jpg</item>
+        <item>images/270.jpg</item>
+    </string-array>
     <string-array name="cpu_thread_num_entries">
         <item>1 threads</item>
         <item>2 threads</item>

deploy/android_demo/app/src/main/res/values/strings.xml

@@ -14,7 +14,7 @@
     <string name="SCORE_THRESHOLD_KEY">SCORE_THRESHOLD_KEY</string>
     <string name="MODEL_PATH_DEFAULT">models/ocr_v2_for_cpu</string>
     <string name="LABEL_PATH_DEFAULT">labels/ppocr_keys_v1.txt</string>
-    <string name="IMAGE_PATH_DEFAULT">images/5.jpg</string>
+    <string name="IMAGE_PATH_DEFAULT">images/0.jpg</string>
     <string name="CPU_THREAD_NUM_DEFAULT">4</string>
     <string name="CPU_POWER_MODE_DEFAULT">LITE_POWER_HIGH</string>
     <string name="INPUT_COLOR_FORMAT_DEFAULT">BGR</string>

deploy/android_demo/app/src/main/res/xml/settings.xml

@@ -21,9 +21,11 @@
                 android:key="@string/LABEL_PATH_KEY"
                 android:defaultValue="@string/LABEL_PATH_DEFAULT"
                 android:title="Label Path" />
-        <EditTextPreference
+        <ListPreference
                 android:key="@string/IMAGE_PATH_KEY"
                 android:defaultValue="@string/IMAGE_PATH_DEFAULT"
+                android:entries="@array/image_name_entries"
+                android:entryValues="@array/image_name_values"
                 android:title="Image Path" />
     </PreferenceCategory>
     <PreferenceCategory android:title="CPU Settings">