diff --git a/deploy/android_demo/app/build.gradle b/deploy/android_demo/app/build.gradle
index adf3968b40960b50bc62a7ba669ce28346afa362..5ecb11692c2a66f941dc41425761519607bad39e 100644
--- a/deploy/android_demo/app/build.gradle
+++ b/deploy/android_demo/app/build.gradle
@@ -3,11 +3,11 @@ import java.security.MessageDigest
apply plugin: 'com.android.application'
android {
- compileSdkVersion 28
+ compileSdkVersion 29
defaultConfig {
applicationId "com.baidu.paddle.lite.demo.ocr"
- minSdkVersion 15
- targetSdkVersion 28
+ minSdkVersion 23
+ targetSdkVersion 29
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -39,9 +39,8 @@ android {
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
- implementation 'com.android.support:appcompat-v7:28.0.0'
- implementation 'com.android.support.constraint:constraint-layout:1.1.3'
- implementation 'com.android.support:design:28.0.0'
+ implementation 'androidx.appcompat:appcompat:1.1.0'
+ implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
diff --git a/deploy/android_demo/app/src/main/AndroidManifest.xml b/deploy/android_demo/app/src/main/AndroidManifest.xml
index b7c1d8b51bafb1ddc3c927eb2410d32a8bc55593..54482b1dcc9de66021d0109e5683302c8445ba6a 100644
--- a/deploy/android_demo/app/src/main/AndroidManifest.xml
+++ b/deploy/android_demo/app/src/main/AndroidManifest.xml
@@ -14,10 +14,10 @@
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
+
-
@@ -26,7 +26,7 @@
android:label="Settings">
diff --git a/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/AppCompatPreferenceActivity.java b/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/AppCompatPreferenceActivity.java
index 397e4e39fe35a541fd534634ac509b94dd4b2b86..49af0afea425561d65d435a8fe67e96e98912680 100644
--- a/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/AppCompatPreferenceActivity.java
+++ b/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/AppCompatPreferenceActivity.java
@@ -19,15 +19,16 @@ package com.baidu.paddle.lite.demo.ocr;
import android.content.res.Configuration;
import android.os.Bundle;
import android.preference.PreferenceActivity;
-import android.support.annotation.LayoutRes;
-import android.support.annotation.Nullable;
-import android.support.v7.app.ActionBar;
-import android.support.v7.app.AppCompatDelegate;
-import android.support.v7.widget.Toolbar;
import android.view.MenuInflater;
import android.view.View;
import android.view.ViewGroup;
+import androidx.annotation.LayoutRes;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatDelegate;
+import androidx.appcompat.widget.Toolbar;
+
/**
* A {@link PreferenceActivity} which implements and proxies the necessary calls
* to be used with AppCompat.
diff --git a/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/MainActivity.java b/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/MainActivity.java
index 716e7bddbc63d7787d79913f0ba8faf795a4bfe6..afb261dcf2afb2a2eaebf58c8c1f30f89200c902 100644
--- a/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/MainActivity.java
+++ b/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/MainActivity.java
@@ -19,11 +19,6 @@ import android.os.HandlerThread;
import android.os.Message;
import android.preference.PreferenceManager;
import android.provider.MediaStore;
-import android.support.annotation.NonNull;
-import android.support.v4.app.ActivityCompat;
-import android.support.v4.content.ContextCompat;
-import android.support.v4.content.FileProvider;
-import android.support.v7.app.AppCompatActivity;
import android.text.method.ScrollingMovementMethod;
import android.util.Log;
import android.view.Menu;
@@ -33,6 +28,12 @@ import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+import androidx.core.content.FileProvider;
+
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
diff --git a/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/MiniActivity.java b/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/MiniActivity.java
new file mode 100644
index 0000000000000000000000000000000000000000..b40cd5f0e8eebfa6f01cf5a59a0763c9a10fd2d8
--- /dev/null
+++ b/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/MiniActivity.java
@@ -0,0 +1,156 @@
+package com.baidu.paddle.lite.demo.ocr;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.Message;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+public class MiniActivity extends AppCompatActivity {
+
+
+ public static final int REQUEST_LOAD_MODEL = 0;
+ public static final int REQUEST_RUN_MODEL = 1;
+ public static final int REQUEST_UNLOAD_MODEL = 2;
+ public static final int RESPONSE_LOAD_MODEL_SUCCESSED = 0;
+ public static final int RESPONSE_LOAD_MODEL_FAILED = 1;
+ public static final int RESPONSE_RUN_MODEL_SUCCESSED = 2;
+ public static final int RESPONSE_RUN_MODEL_FAILED = 3;
+
+ private static final String TAG = "MiniActivity";
+
+ protected Handler receiver = null; // Receive messages from worker thread
+ protected Handler sender = null; // Send command to worker thread
+ protected HandlerThread worker = null; // Worker thread to load&run model
+ protected volatile Predictor predictor = null;
+
+ private String assetModelDirPath = "models/ocr_v1_for_cpu";
+ private String assetlabelFilePath = "labels/ppocr_keys_v1.txt";
+
+ private Button button;
+ private ImageView imageView; // 显示图像
+ private TextView textView; // 显示结果
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_mini);
+
+ Log.i(TAG, "SHOW in Logcat");
+
+ // Prepare the worker thread for mode loading and inference
+ worker = new HandlerThread("Predictor Worker");
+ worker.start();
+ sender = new Handler(worker.getLooper()) {
+ public void handleMessage(Message msg) {
+ switch (msg.what) {
+ case REQUEST_LOAD_MODEL:
+ // Load model and reload test image
+ if (!onLoadModel()) {
+ runOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ Toast.makeText(MiniActivity.this, "Load model failed!", Toast.LENGTH_SHORT).show();
+ }
+ });
+ }
+ break;
+ case REQUEST_RUN_MODEL:
+ // Run model if model is loaded
+ final boolean isSuccessed = onRunModel();
+ runOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ if (isSuccessed){
+ onRunModelSuccessed();
+ }else{
+ Toast.makeText(MiniActivity.this, "Run model failed!", Toast.LENGTH_SHORT).show();
+ }
+ }
+ });
+ break;
+ }
+ }
+ };
+ sender.sendEmptyMessage(REQUEST_LOAD_MODEL); // 对应上面的REQUEST_LOAD_MODEL, 调用onLoadModel()
+
+ imageView = findViewById(R.id.imageView);
+ textView = findViewById(R.id.sample_text);
+ button = findViewById(R.id.button);
+ button.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ sender.sendEmptyMessage(REQUEST_RUN_MODEL);
+ }
+ });
+
+
+ }
+
+ @Override
+ protected void onDestroy() {
+ onUnloadModel();
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
+ worker.quitSafely();
+ } else {
+ worker.quit();
+ }
+ super.onDestroy();
+ }
+
+ /**
+ * onCreate的时候调用, 模型初始化
+ *
+ * @return
+ */
+ private boolean onLoadModel() {
+ if (predictor == null) {
+ predictor = new Predictor();
+ }
+ return predictor.init(this, assetModelDirPath, assetlabelFilePath);
+ }
+
+ /**
+ * on
+ *
+ * @return
+ */
+ private boolean onRunModel() {
+ try {
+ String assetImagePath = "images/5.jpg";
+ InputStream imageStream = getAssets().open(assetImagePath);
+ Bitmap image = BitmapFactory.decodeStream(imageStream);
+ // 这里输入是Bitmap
+ predictor.setInputImage(image);
+ return predictor.isLoaded() && predictor.runModel();
+ } catch (IOException e) {
+ e.printStackTrace();
+ return false;
+ }
+ }
+
+ private void onRunModelSuccessed() {
+ Log.i(TAG, "onRunModelSuccessed");
+ textView.setText(predictor.outputResult);
+ imageView.setImageBitmap(predictor.outputImage);
+ }
+
+ private void onUnloadModel() {
+ if (predictor != null) {
+ predictor.releaseModel();
+ }
+ }
+}
diff --git a/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/Predictor.java b/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/Predictor.java
index 7543aceea0331138d1b6c7ab7b33e6d0b4a223ca..0eedf3dc1169e2f2ade48cb3614b4abca516e2db 100644
--- a/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/Predictor.java
+++ b/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/Predictor.java
@@ -38,7 +38,7 @@ public class Predictor {
protected float scoreThreshold = 0.1f;
protected Bitmap inputImage = null;
protected Bitmap outputImage = null;
- protected String outputResult = "";
+ protected volatile String outputResult = "";
protected float preprocessTime = 0;
protected float postprocessTime = 0;
@@ -46,6 +46,16 @@ public class Predictor {
public Predictor() {
}
+ public boolean init(Context appCtx, String modelPath, String labelPath) {
+ isLoaded = loadModel(appCtx, modelPath, cpuThreadNum, cpuPowerMode);
+ if (!isLoaded) {
+ return false;
+ }
+ isLoaded = loadLabel(appCtx, labelPath);
+ return isLoaded;
+ }
+
+
public boolean init(Context appCtx, String modelPath, String labelPath, int cpuThreadNum, String cpuPowerMode,
String inputColorFormat,
long[] inputShape, float[] inputMean,
@@ -76,11 +86,7 @@ public class Predictor {
Log.e(TAG, "Only BGR color format is supported.");
return false;
}
- isLoaded = loadModel(appCtx, modelPath, cpuThreadNum, cpuPowerMode);
- if (!isLoaded) {
- return false;
- }
- isLoaded = loadLabel(appCtx, labelPath);
+ boolean isLoaded = init(appCtx, modelPath, labelPath);
if (!isLoaded) {
return false;
}
@@ -317,7 +323,7 @@ public class Predictor {
for (Point p : result.getPoints()) {
sb.append("(").append(p.x).append(",").append(p.y).append(") ");
}
- Log.i(TAG, sb.toString());
+ Log.i(TAG, sb.toString()); // 这里在logcat里打印结果
outputResultSb.append(i + 1).append(": ").append(result.getLabel()).append("\n");
}
outputResult = outputResultSb.toString();
diff --git a/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/SettingsActivity.java b/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/SettingsActivity.java
index 28727e60a3e5c124318e1d19e84fe7e4693a8eae..b3653ccc2ebaf2c4005a3b30c4c8162dad2f31fc 100644
--- a/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/SettingsActivity.java
+++ b/deploy/android_demo/app/src/main/java/com/baidu/paddle/lite/demo/ocr/SettingsActivity.java
@@ -5,7 +5,8 @@ import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.EditTextPreference;
import android.preference.ListPreference;
-import android.support.v7.app.ActionBar;
+
+import androidx.appcompat.app.ActionBar;
import java.util.ArrayList;
import java.util.List;
diff --git a/deploy/android_demo/app/src/main/res/layout/activity_main.xml b/deploy/android_demo/app/src/main/res/layout/activity_main.xml
index 98b9bc1a875dc3a006496d9f87510f0f5d2f204c..adc70e200f737a5eaced2f3015ca675dc7a085db 100644
--- a/deploy/android_demo/app/src/main/res/layout/activity_main.xml
+++ b/deploy/android_demo/app/src/main/res/layout/activity_main.xml
@@ -1,5 +1,5 @@
-
-
\ No newline at end of file
+
\ No newline at end of file
diff --git a/deploy/android_demo/app/src/main/res/layout/activity_mini.xml b/deploy/android_demo/app/src/main/res/layout/activity_mini.xml
new file mode 100644
index 0000000000000000000000000000000000000000..ec4622ae5c21334769a0ef7f084f73a3ac6a05ab
--- /dev/null
+++ b/deploy/android_demo/app/src/main/res/layout/activity_mini.xml
@@ -0,0 +1,46 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file