From 673e5cda8ea0ea0fbeb541a0f0a41daf828b1f86 Mon Sep 17 00:00:00 2001 From: Jan-Felix Schmakeit Date: Tue, 26 May 2015 11:16:46 +1000 Subject: Adding RuntimePermissionsBasic sample. It shows the basic use of the runtime permissions API available in Android M. Change-Id: Ia435f7be17d93175c6c1f460f6947e8e4870316b --- .../RuntimePermissionsBasic/Application/.gitignore | 16 ++ .../Application/proguard-project.txt | 20 +++ .../Application/src/main/AndroidManifest.xml | 48 ++++++ .../android/basicpermissions/MainActivity.java | 135 +++++++++++++++++ .../basicpermissions/camera/CameraPreview.java | 142 ++++++++++++++++++ .../camera/CameraPreviewActivity.java | 104 +++++++++++++ .../src/main/res/layout/activity_camera.xml | 22 +++ .../res/layout/activity_camera_unavailable.xml | 37 +++++ .../src/main/res/layout/activity_main.xml | 40 +++++ .../src/main/res/mipmap-hdpi/ic_launcher.png | Bin 0 -> 3470 bytes .../src/main/res/mipmap-mdpi/ic_launcher.png | Bin 0 -> 2206 bytes .../src/main/res/mipmap-xhdpi/ic_launcher.png | Bin 0 -> 4395 bytes .../src/main/res/mipmap-xxhdpi/ic_launcher.png | Bin 0 -> 6994 bytes .../src/main/res/mipmap-xxxhdpi/ic_launcher.png | Bin 0 -> 9911 bytes .../Application/src/main/res/values/strings.xml | 6 + system/RuntimePermissionsBasic/build.gradle | 11 ++ .../RuntimePermissionsBasic/buildSrc/build.gradle | 15 ++ .../gradle/wrapper/gradle-wrapper.jar | Bin 0 -> 49896 bytes .../gradle/wrapper/gradle-wrapper.properties | 6 + system/RuntimePermissionsBasic/gradlew | 164 +++++++++++++++++++++ system/RuntimePermissionsBasic/gradlew.bat | 90 +++++++++++ .../screenshots/big_icon.png | Bin 0 -> 36396 bytes .../screenshots/screenshot-1.png | Bin 0 -> 101522 bytes system/RuntimePermissionsBasic/settings.gradle | 1 + system/RuntimePermissionsBasic/template-params.xml | 74 ++++++++++ 25 files changed, 931 insertions(+) create mode 100644 system/RuntimePermissionsBasic/Application/.gitignore create mode 100644 system/RuntimePermissionsBasic/Application/proguard-project.txt create mode 100644 system/RuntimePermissionsBasic/Application/src/main/AndroidManifest.xml create mode 100644 system/RuntimePermissionsBasic/Application/src/main/java/com/example/android/basicpermissions/MainActivity.java create mode 100644 system/RuntimePermissionsBasic/Application/src/main/java/com/example/android/basicpermissions/camera/CameraPreview.java create mode 100644 system/RuntimePermissionsBasic/Application/src/main/java/com/example/android/basicpermissions/camera/CameraPreviewActivity.java create mode 100644 system/RuntimePermissionsBasic/Application/src/main/res/layout/activity_camera.xml create mode 100644 system/RuntimePermissionsBasic/Application/src/main/res/layout/activity_camera_unavailable.xml create mode 100644 system/RuntimePermissionsBasic/Application/src/main/res/layout/activity_main.xml create mode 100644 system/RuntimePermissionsBasic/Application/src/main/res/mipmap-hdpi/ic_launcher.png create mode 100644 system/RuntimePermissionsBasic/Application/src/main/res/mipmap-mdpi/ic_launcher.png create mode 100644 system/RuntimePermissionsBasic/Application/src/main/res/mipmap-xhdpi/ic_launcher.png create mode 100644 system/RuntimePermissionsBasic/Application/src/main/res/mipmap-xxhdpi/ic_launcher.png create mode 100644 system/RuntimePermissionsBasic/Application/src/main/res/mipmap-xxxhdpi/ic_launcher.png create mode 100644 system/RuntimePermissionsBasic/Application/src/main/res/values/strings.xml create mode 100644 system/RuntimePermissionsBasic/build.gradle create mode 100644 system/RuntimePermissionsBasic/buildSrc/build.gradle create mode 100644 system/RuntimePermissionsBasic/gradle/wrapper/gradle-wrapper.jar create mode 100644 system/RuntimePermissionsBasic/gradle/wrapper/gradle-wrapper.properties create mode 100755 system/RuntimePermissionsBasic/gradlew create mode 100644 system/RuntimePermissionsBasic/gradlew.bat create mode 100644 system/RuntimePermissionsBasic/screenshots/big_icon.png create mode 100644 system/RuntimePermissionsBasic/screenshots/screenshot-1.png create mode 100644 system/RuntimePermissionsBasic/settings.gradle create mode 100644 system/RuntimePermissionsBasic/template-params.xml (limited to 'system') diff --git a/system/RuntimePermissionsBasic/Application/.gitignore b/system/RuntimePermissionsBasic/Application/.gitignore new file mode 100644 index 00000000..6eb878d4 --- /dev/null +++ b/system/RuntimePermissionsBasic/Application/.gitignore @@ -0,0 +1,16 @@ +# Copyright 2013 The Android Open Source Project +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +src/template/ +src/common/ +build.gradle diff --git a/system/RuntimePermissionsBasic/Application/proguard-project.txt b/system/RuntimePermissionsBasic/Application/proguard-project.txt new file mode 100644 index 00000000..0d8f171d --- /dev/null +++ b/system/RuntimePermissionsBasic/Application/proguard-project.txt @@ -0,0 +1,20 @@ + To enable ProGuard in your project, edit project.properties +# to define the proguard.config property as described in that file. +# +# Add project specific ProGuard rules here. +# By default, the flags in this file are appended to flags specified +# in ${sdk.dir}/tools/proguard/proguard-android.txt +# You can edit the include path and order by changing the ProGuard +# include property in project.properties. +# +# For more details, see +# http://developer.android.com/guide/developing/tools/proguard.html + +# Add any project specific keep options here: + +# If your project uses WebView with JS, uncomment the following +# and specify the fully qualified class name to the JavaScript interface +# class: +#-keepclassmembers class fqcn.of.javascript.interface.for.webview { +# public *; +#} diff --git a/system/RuntimePermissionsBasic/Application/src/main/AndroidManifest.xml b/system/RuntimePermissionsBasic/Application/src/main/AndroidManifest.xml new file mode 100644 index 00000000..1f7ea6a1 --- /dev/null +++ b/system/RuntimePermissionsBasic/Application/src/main/AndroidManifest.xml @@ -0,0 +1,48 @@ + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/system/RuntimePermissionsBasic/Application/src/main/java/com/example/android/basicpermissions/MainActivity.java b/system/RuntimePermissionsBasic/Application/src/main/java/com/example/android/basicpermissions/MainActivity.java new file mode 100644 index 00000000..9de3b018 --- /dev/null +++ b/system/RuntimePermissionsBasic/Application/src/main/java/com/example/android/basicpermissions/MainActivity.java @@ -0,0 +1,135 @@ +/* +* Copyright 2015 The Android Open Source Project +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +package com.example.android.basicpermissions; + +import com.example.android.basicpermissions.camera.CameraPreviewActivity; + +import android.Manifest; +import android.app.Activity; +import android.content.Intent; +import android.content.pm.PackageManager; +import android.os.Build; +import android.os.Bundle; +import android.view.View; +import android.widget.Button; +import android.widget.Toast; + +/** + * Launcher Activity that demonstrates the use of runtime permissions for Android M. + * This Activity requests permissions to access the camera + * ({@link android.Manifest.permission#CAMERA}) + * when the 'Show Camera Preview' button is clicked to start {@link CameraPreviewActivity} once + * the permission has been granted. + *

+ * First, the status of the Camera permission is checked using {@link + * Activity#checkSelfPermission(String)}. + * If it has not been granted ({@link PackageManager#PERMISSION_GRANTED}), it is requested by + * calling + * {@link Activity#requestPermissions(String[], int)}. The result of the request is returned in + * {@link Activity#onRequestPermissionsResult(int, String[], int[])}, which starts {@link + * CameraPreviewActivity} + * if the permission has been granted. + */ +public class MainActivity extends Activity { + + private static final int PERMISSION_REQUEST_CAMERA = 0; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + setContentView(R.layout.activity_main); + + // Register a listener for the 'Show Camera Preview' button. + Button b = (Button) findViewById(R.id.button_open_camera); + b.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View view) { + showCameraPreview(); + } + }); + } + + @Override + public void onRequestPermissionsResult(int requestCode, String[] permissions, + int[] grantResults) { + // BEGIN_INCLUDE(onRequestPermissionsResult) + if (requestCode == PERMISSION_REQUEST_CAMERA) { + // Request for camera permission. + if (grantResults[0] == PackageManager.PERMISSION_GRANTED) { + // Permission has been granted. Start camera preview Activity. + Toast.makeText(this, "Camera permission was granted. Starting preview.", + Toast.LENGTH_SHORT) + .show(); + startCamera(); + } else { + // Permission request was denied. + Toast.makeText(this, "Camera permission request was denied.", Toast.LENGTH_SHORT) + .show(); + } + } + // END_INCLUDE(onRequestPermissionsResult) + } + + private void showCameraPreview() { + // BEGIN_INCLUDE(startCamera) + if (isMNC()) { + // On Android M and above, need to check if permission has been granted at runtime. + if (checkSelfPermission(Manifest.permission.CAMERA) + == PackageManager.PERMISSION_GRANTED) { + // Permission is available, start camera preview + startCamera(); + Toast.makeText(this, + "Camera permission has already been granted. Starting preview.", + Toast.LENGTH_SHORT).show(); + } else { + // Permission has not been granted and must be requested. + Toast.makeText(this, + "Permission is not available. Requesting camera permission.", + Toast.LENGTH_SHORT).show(); + requestPermissions(new String[]{Manifest.permission.CAMERA}, + PERMISSION_REQUEST_CAMERA); + } + } else { + /* + Below Android M all permissions have already been grated at install time and do not + need to verified or requested. + If a permission has been disabled in the system settings, the API will return + unavailable or empty data instead. */ + Toast.makeText(this, + "Requested permissions are granted at install time below M and are always " + + "available at runtime.", + Toast.LENGTH_SHORT).show(); + startCamera(); + } + // END_INCLUDE(startCamera) + } + + private void startCamera() { + Intent intent = new Intent(this, CameraPreviewActivity.class); + startActivity(intent); + } + + public static boolean isMNC() { + /* + TODO: In the Android M Preview release, checking if the platform is M is done through + the codename, not the version code. Once the API has been finalised, the following check + should be used: */ + // return Build.VERSION.SDK_INT >= Build.VERSION_CODES.MNC + + return "MNC".equals(Build.VERSION.CODENAME); + } +} diff --git a/system/RuntimePermissionsBasic/Application/src/main/java/com/example/android/basicpermissions/camera/CameraPreview.java b/system/RuntimePermissionsBasic/Application/src/main/java/com/example/android/basicpermissions/camera/CameraPreview.java new file mode 100644 index 00000000..7abf2d8d --- /dev/null +++ b/system/RuntimePermissionsBasic/Application/src/main/java/com/example/android/basicpermissions/camera/CameraPreview.java @@ -0,0 +1,142 @@ +/* +* Copyright 2015 The Android Open Source Project +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +package com.example.android.basicpermissions.camera; + +import android.content.Context; +import android.hardware.Camera; +import android.util.Log; +import android.view.Surface; +import android.view.SurfaceHolder; +import android.view.SurfaceView; + +import java.io.IOException; + +/** + * Camera preview that displays a {@link Camera}. + * + * Handles basic lifecycle methods to display and stop the preview. + *

+ * Implementation is based directly on the documentation at + * http://developer.android.com/guide/topics/media/camera.html + */ +public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback { + + private static final String TAG = "CameraPreview"; + private SurfaceHolder mHolder; + private Camera mCamera; + private Camera.CameraInfo mCameraInfo; + private int mDisplayOrientation; + + public CameraPreview(Context context, Camera camera, Camera.CameraInfo cameraInfo, + int displayOrientation) { + super(context); + + // Do not initialise if no camera has been set + if (camera == null || cameraInfo == null) { + return; + } + mCamera = camera; + mCameraInfo = cameraInfo; + mDisplayOrientation = displayOrientation; + + // Install a SurfaceHolder.Callback so we get notified when the + // underlying surface is created and destroyed. + mHolder = getHolder(); + mHolder.addCallback(this); + } + + public void surfaceCreated(SurfaceHolder holder) { + // The Surface has been created, now tell the camera where to draw the preview. + try { + mCamera.setPreviewDisplay(holder); + mCamera.startPreview(); + Log.d(TAG, "Camera preview started."); + } catch (IOException e) { + Log.d(TAG, "Error setting camera preview: " + e.getMessage()); + } + } + + public void surfaceDestroyed(SurfaceHolder holder) { + // empty. Take care of releasing the Camera preview in your activity. + } + + public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { + // If your preview can change or rotate, take care of those events here. + // Make sure to stop the preview before resizing or reformatting it. + + if (mHolder.getSurface() == null) { + // preview surface does not exist + Log.d(TAG, "Preview surface does not exist"); + return; + } + + // stop preview before making changes + try { + mCamera.stopPreview(); + Log.d(TAG, "Preview stopped."); + } catch (Exception e) { + // ignore: tried to stop a non-existent preview + Log.d(TAG, "Error starting camera preview: " + e.getMessage()); + } + + int orientation = calculatePreviewOrientation(mCameraInfo, mDisplayOrientation); + mCamera.setDisplayOrientation(orientation); + + try { + mCamera.setPreviewDisplay(mHolder); + mCamera.startPreview(); + Log.d(TAG, "Camera preview started."); + } catch (Exception e) { + Log.d(TAG, "Error starting camera preview: " + e.getMessage()); + } + } + + /** + * Calculate the correct orientation for a {@link Camera} preview that is displayed on screen. + * + * Implementation is based on the sample code provided in + * {@link Camera#setDisplayOrientation(int)}. + */ + public static int calculatePreviewOrientation(Camera.CameraInfo info, int rotation) { + int degrees = 0; + + switch (rotation) { + case Surface.ROTATION_0: + degrees = 0; + break; + case Surface.ROTATION_90: + degrees = 90; + break; + case Surface.ROTATION_180: + degrees = 180; + break; + case Surface.ROTATION_270: + degrees = 270; + break; + } + + int result; + if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { + result = (info.orientation + degrees) % 360; + result = (360 - result) % 360; // compensate the mirror + } else { // back-facing + result = (info.orientation - degrees + 360) % 360; + } + + return result; + } +} diff --git a/system/RuntimePermissionsBasic/Application/src/main/java/com/example/android/basicpermissions/camera/CameraPreviewActivity.java b/system/RuntimePermissionsBasic/Application/src/main/java/com/example/android/basicpermissions/camera/CameraPreviewActivity.java new file mode 100644 index 00000000..ee589d99 --- /dev/null +++ b/system/RuntimePermissionsBasic/Application/src/main/java/com/example/android/basicpermissions/camera/CameraPreviewActivity.java @@ -0,0 +1,104 @@ +/* +* Copyright 2015 The Android Open Source Project +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +package com.example.android.basicpermissions.camera; + +import com.example.android.basicpermissions.R; + +import android.app.Activity; +import android.hardware.Camera; +import android.os.Bundle; +import android.widget.FrameLayout; +import android.widget.Toast; + +/** + * Displays a {@link CameraPreview} of the first {@link Camera}. + * An error message is displayed if the Camera is not available. + *

+ * This Activity is only used to illustrate that access to the Camera API has been granted (or + * denied) as part of the runtime permissions model. It is not relevant for the use of the + * permissions API. + *

+ * Implementation is based directly on the documentation at + * http://developer.android.com/guide/topics/media/camera.html + */ +public class CameraPreviewActivity extends Activity { + + private static final String TAG = "CameraPreview"; + + /** + * Id of the camera to access. 0 is the first camera. + */ + private static final int CAMERA_ID = 0; + + private CameraPreview mPreview; + private Camera mCamera; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + // Open an instance of the first camera and retrieve its info. + mCamera = getCameraInstance(CAMERA_ID); + Camera.CameraInfo cameraInfo = new Camera.CameraInfo(); + Camera.getCameraInfo(CAMERA_ID, cameraInfo); + + if (mCamera == null || cameraInfo == null) { + // Camera is not available, display error message + Toast.makeText(this, "Camera is not available.", Toast.LENGTH_SHORT).show(); + setContentView(R.layout.activity_camera_unavailable); + } else { + + setContentView(R.layout.activity_camera); + + // Get the rotation of the screen to adjust the preview image accordingly. + final int displayRotation = getWindowManager().getDefaultDisplay() + .getRotation(); + + // Create the Preview view and set it as the content of this Activity. + mPreview = new CameraPreview(this, mCamera, cameraInfo, displayRotation); + FrameLayout preview = (FrameLayout) findViewById(R.id.camera_preview); + preview.addView(mPreview); + } + } + + @Override + public void onPause() { + super.onPause(); + // Stop camera access + releaseCamera(); + } + + /** A safe way to get an instance of the Camera object. */ + private Camera getCameraInstance(int cameraId) { + Camera c = null; + try { + c = Camera.open(cameraId); // attempt to get a Camera instance + } catch (Exception e) { + // Camera is not available (in use or does not exist) + Toast.makeText(this, "Camera " + cameraId + " is not available: " + e.getMessage(), + Toast.LENGTH_SHORT).show(); + } + return c; // returns null if camera is unavailable + } + + private void releaseCamera() { + if (mCamera != null) { + mCamera.release(); // release the camera for other applications + mCamera = null; + } + } +} diff --git a/system/RuntimePermissionsBasic/Application/src/main/res/layout/activity_camera.xml b/system/RuntimePermissionsBasic/Application/src/main/res/layout/activity_camera.xml new file mode 100644 index 00000000..b12eee19 --- /dev/null +++ b/system/RuntimePermissionsBasic/Application/src/main/res/layout/activity_camera.xml @@ -0,0 +1,22 @@ + + + diff --git a/system/RuntimePermissionsBasic/Application/src/main/res/layout/activity_camera_unavailable.xml b/system/RuntimePermissionsBasic/Application/src/main/res/layout/activity_camera_unavailable.xml new file mode 100644 index 00000000..af0efe5d --- /dev/null +++ b/system/RuntimePermissionsBasic/Application/src/main/res/layout/activity_camera_unavailable.xml @@ -0,0 +1,37 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/system/RuntimePermissionsBasic/Application/src/main/res/layout/activity_main.xml b/system/RuntimePermissionsBasic/Application/src/main/res/layout/activity_main.xml new file mode 100644 index 00000000..c3bf99c5 --- /dev/null +++ b/system/RuntimePermissionsBasic/Application/src/main/res/layout/activity_main.xml @@ -0,0 +1,40 @@ + + + + + + + +