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Commit b40e6e3

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author
chenyouwei
committed
feat:camera2测试距离
1 parent 404f9f9 commit b40e6e3

18 files changed

+1798
-46
lines changed

‎Android进阶.md‎

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# Android进阶
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## Camera2 使用
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* CameraManager:摄像头管理器。这是一个全新的系统管理器,专门用于检测系统摄像头、打开系统摄像头。除此之外,调用CameraManager的getCameraCharacteristics(String)方法即可获取指定摄像头的相关特性。
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* CameraCharacteristics:摄像头特性。该对象通过CameraManager来获取,用于描述特定摄像头所支持的各种特性。
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* CameraDevice:代表系统摄像头。该类的功能类似于早期的Camera类。
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* CameraCaptureSession:这是一个非常重要的API,当程序需要预览、拍照时,都需要先通过该类的实例创建Session。而且不管预览还是拍照,也都是由该对象的方法进行控制的,其中控制预览的方法为setRepeatingRequest();控制拍照的方法为capture()。
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* CameraRequest和CameraRequest.Builder:当程序调用setRepeatingRequest()方法进行预览时,或调用capture()方法进行拍照时,都需要传入CameraRequest参数。CameraRequest代表了一次捕获请求,用于描述捕获图片的各种参数设置,比如对焦模式、曝光模式......总之,程序需要对照片所做的各种控制,都通过CameraRequest参数进行设置。CameraRequest.Builder则负责生成CameraRequest对象。
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‎app/src/main/AndroidManifest.xml‎

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<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
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<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
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<uses-permission android:name="android.permission.RECORD_AUDIO" />
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<uses-feature android:name="android.hardware.camera" />
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<uses-permission android:name="android.permission.CAMERA" />
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<uses-permission android:name="android.hardware.camera.autofocus" />
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<activity
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android:name=".MainActivity"
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android:configChanges="orientation|screenSize"
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android:launchMode="singleTop"
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>
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android:launchMode="singleTop">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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</activity>
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<!--顺便加上这个服务,tinker自带的-->
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<service android:name="com.tencent.tinker.lib.service.DefaultTinkerResultService" />
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<activity
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android:name=".SecondActivity"
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android:configChanges="screenLayout"
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android:label="@string/app_name"
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android:process=":remote" />
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<activity
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android:name=".ThirdActivity"
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android:configChanges="screenLayout"
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/>
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<activity android:name=".ReceiveActivity"
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android:configChanges="orientation|keyboardHidden"
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/>
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android:configChanges="screenLayout" />
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<activity
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android:name=".ReceiveActivity"
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android:configChanges="orientation|keyboardHidden" />
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<activity
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android:name=".animate.AnimationActivity"
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android:configChanges="orientation|screenSize"
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android:name=".activities.FragmentActivity"
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android:configChanges="orientation|screenSize"
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android:launchMode="standard" />
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<service android:name=".services.TestOneService"/>
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<service android:name=".services.TestTwoService"/>
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<activity android:name=".activities.BindServiceActivity"/>
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<activity android:name=".activities.ListActivity"/>
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<activity android:name=".eventbus.EventActivity1"/>
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<activity android:name=".eventbus.EventActivity2"/>
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<activity android:name=".ijkplayer.PlayActivity"/>
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<activity android:name=".webView.WebViewActivity"/>
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<activity android:name=".MediaPlay.MediaPlayActivity"/>
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<activity android:name=".videoView.VideoViewActivity"/>
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<activity android:name=".retrofit.RetrofitActivity"/>
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<activity android:name=".timer.TimerActivity"/>
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<activity android:name=".viewpager.ViewPagerActivity"/>
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<activity android:name=".activities.ListTimeActivity"/>
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<activity android:name=".activities.TestLayoutActivity"/>
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<activity android:name=".dialog.DialogShowActivity"/>
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<activity android:name=".constraintlayout.ConstraintLayoutActivity"/>
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<activity android:name=".rvlooper.LooperActivity"/>
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<activity android:name=".footer.HeaderAndFooterActivity"/>
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<activity android:name=".activities.TransParentActivity"
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android:theme="@style/dialog_activity"
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/>
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<activity android:name=".leakcanary.LeakActivity"/>
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<activity android:name=".exoplayer.ExoPlayerActivity"/>
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<activity android:name=".record.RecordActivity"/>
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<activity android:name=".highOrderUI.UiActivity"/>
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<activity android:name=".hook.HookTestActivity"/>
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<activity android:name=".thread.ThreadTestAcitivity"/>
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<activity android:name=".puzzleGame.PuzzleActivity"/>
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<activity android:name=".animate.AnimatorActivity"/>
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<activity android:name=".eyeshield.EyeProtectActivity"/>
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<activity android:name=".eysshieldv2.EyeProtectReActivity"
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android:screenOrientation="landscape"/>
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</application>
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<service android:name=".services.TestOneService" />
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<service android:name=".services.TestTwoService" />
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<activity android:name=".activities.BindServiceActivity" />
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<activity android:name=".activities.ListActivity" />
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<activity android:name=".eventbus.EventActivity1" />
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<activity android:name=".eventbus.EventActivity2" />
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<activity android:name=".ijkplayer.PlayActivity" />
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<activity android:name=".webView.WebViewActivity" />
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<activity android:name=".MediaPlay.MediaPlayActivity" />
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<activity android:name=".videoView.VideoViewActivity" />
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<activity android:name=".retrofit.RetrofitActivity" />
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<activity android:name=".timer.TimerActivity" />
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<activity android:name=".viewpager.ViewPagerActivity" />
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<activity android:name=".activities.ListTimeActivity" />
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<activity android:name=".activities.TestLayoutActivity" />
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<activity android:name=".dialog.DialogShowActivity" />
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<activity android:name=".constraintlayout.ConstraintLayoutActivity" />
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<activity android:name=".rvlooper.LooperActivity" />
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<activity android:name=".footer.HeaderAndFooterActivity" />
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<activity
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android:name=".activities.TransParentActivity"
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android:theme="@style/dialog_activity" />
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<activity android:name=".leakcanary.LeakActivity" />
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<activity android:name=".exoplayer.ExoPlayerActivity" />
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<activity android:name=".record.RecordActivity" />
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<activity android:name=".highOrderUI.UiActivity" />
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<activity android:name=".hook.HookTestActivity" />
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<activity android:name=".thread.ThreadTestAcitivity" />
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<activity android:name=".puzzleGame.PuzzleActivity" />
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<activity android:name=".animate.AnimatorActivity" />
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<activity android:name=".eyeshield.EyeProtectActivity" />
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<activity
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android:name=".eysshieldv2.EyeProtectReActivity"
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android:screenOrientation="landscape" />
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<activity android:name=".eysshieldv2.testcamera2.TestCamera2" />
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<activity
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android:name=".camera2face.Camera2FaceActivity"
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android:screenOrientation="sensor"
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android:theme="@style/Theme.AppCompat.NoActionBar" />
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</application>
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</manifest>

‎app/src/main/java/com/hugh/basis/MainActivity.java‎

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import com.hugh.basis.activities.TransParentActivity;
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import com.hugh.basis.animate.AnimationActivity;
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import com.hugh.basis.binder.UserManager;
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import com.hugh.basis.camera2face.Camera2FaceActivity;
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import com.hugh.basis.constraintlayout.ConstraintLayoutActivity;
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import com.hugh.basis.dialog.DialogShowActivity;
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import com.hugh.basis.eventbus.EventActivity1;
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import com.hugh.basis.exoplayer.ExoPlayerActivity;
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import com.hugh.basis.eyeshield.EyeProtectActivity;
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import com.hugh.basis.eysshieldv2.EyeProtectReActivity;
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import com.hugh.basis.eysshieldv2.testcamera2.TestCamera2;
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import com.hugh.basis.footer.HeaderAndFooterActivity;
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import com.hugh.basis.highOrderUI.UiActivity;
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import com.hugh.basis.hook.HookTestActivity;
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startActivity(new Intent(MainActivity.this, EyeProtectReActivity.class));
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}
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});
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findViewById(R.id.tv_go_camera2).setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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startActivity(new Intent(MainActivity.this, Camera2FaceActivity.class));
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}
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});
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}
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/**
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package com.hugh.basis.camera2face;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Rect;
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import android.support.annotation.Nullable;
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import android.support.v7.widget.AppCompatImageView;
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import android.util.AttributeSet;
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import android.widget.ImageView;
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public class BorderImageView extends ImageView {
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public BorderImageView(Context context) {
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super(context);
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}
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public BorderImageView(Context context, @Nullable AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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Paint paint = new Paint();
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paint.setStyle(Paint.Style.STROKE);
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paint.setStrokeWidth(4);
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paint.setColor(Color.RED);
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canvas.drawRect(new Rect(0,0,getWidth(),getHeight()),paint);
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}
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}

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