fenix/Simple-Camera
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add camera preview

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This commit is contained in:
tibbi 2016-04-13 22:48:18 +02:00
parent b66ecf8769
commit 6150c51f57
3 changed files with 45 additions and 7 deletions
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1
app/build.gradle
View File

@ -23,4 +23,5 @@ dependencies {
compile fileTree(dir: 'libs', include: ['*.jar']) compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12' testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.3.0' compile 'com.android.support:appcompat-v7:23.3.0'
compile 'com.jakewharton:butterknife:7.0.1'
} }

40
app/src/main/java/com/simplemobiletools/camera/MainActivity.java
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@ -4,16 +4,28 @@ import android.hardware.Camera;
import android.os.Bundle; import android.os.Bundle;
import android.support.v7.app.AppCompatActivity; import android.support.v7.app.AppCompatActivity;
import android.util.Log; import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
public class MainActivity extends AppCompatActivity { import butterknife.Bind;
import butterknife.ButterKnife;
public class MainActivity extends AppCompatActivity implements SurfaceHolder.Callback {
private static final String TAG = MainActivity.class.getSimpleName(); private static final String TAG = MainActivity.class.getSimpleName();
@Bind(R.id.surfaceView) SurfaceView surfaceView;
private Camera camera; private Camera camera;
private boolean isOpen; private boolean isOpen;
private SurfaceHolder surfaceHolder;
@Override @Override
protected void onCreate(Bundle savedInstanceState) { protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main); setContentView(R.layout.activity_main);
ButterKnife.bind(this);
surfaceHolder = surfaceView.getHolder();
surfaceHolder.addCallback(this);
} }
@Override @Override
@ -34,7 +46,13 @@ public class MainActivity extends AppCompatActivity {
try { try {
releaseCamera(); releaseCamera();
camera = Camera.open(); camera = Camera.open();
isOpen = (camera != null);
if (camera != null) {
isOpen = true;
camera.setDisplayOrientation(90);
camera.setPreviewDisplay(surfaceHolder);
camera.startPreview();
}
} catch (Exception e) { } catch (Exception e) {
Log.e(TAG, "openCamera exception " + e.getMessage()); Log.e(TAG, "openCamera exception " + e.getMessage());
} }
@ -46,4 +64,22 @@ public class MainActivity extends AppCompatActivity {
camera = null; camera = null;
} }
} }
@Override
public void surfaceCreated(SurfaceHolder holder) {
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
openCamera();
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
if (camera != null) {
camera.stopPreview();
}
}
} }

11
app/src/main/res/layout/activity_main.xml
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@ -2,10 +2,11 @@
<RelativeLayout <RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android" xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent" android:layout_width="match_parent"
android:layout_height="match_parent" android:layout_height="match_parent">
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin" <SurfaceView
android:paddingRight="@dimen/activity_horizontal_margin" android:id="@+id/surfaceView"
android:paddingTop="@dimen/activity_vertical_margin"> android:layout_width="match_parent"
android:layout_height="match_parent"/>
</RelativeLayout> </RelativeLayout>