我用带滤镜的相机制作了一个应用程序，滤镜名称在“ ListView”中，它应该出现在相机的左侧，但它不在相机的左侧，因为当我单击该区域时，滤镜工作，但我看不到或阅读过滤器的列表视图，因为它们看不见，它们可以工作，但它们是不可见的。我该怎么办？我该如何解决这个问题？
这是相机的布局：
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/white"
android:keepScreenOn="true">
<ImageView
android:id="@+id/cross"
android:layout_width="43dp"
android:layout_height="43dp"
android:visibility="visible"
android:contentDescription="@string/cross"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@drawable/ic_cross" />
<ListView
android:id="@+id/filter_list"
android:layout_width="145dp"
android:layout_height="615dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/btn_record"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
</ListView>
<com.anisacoding.expriment.VideoEditorFolder.widget.PortraitFrameLayout
android:id="@+id/wrap_view"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="1.0">
</com.anisacoding.expriment.VideoEditorFolder.widget.PortraitFrameLayout>
<ImageView
android:id="@+id/btn_record"
android:layout_width="100dp"
android:layout_height="100dp"
android:contentDescription="@string/record_Video"
android:text="@string/app_record"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.454"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.926"
app:srcCompat="@drawable/ic_btn_record" />
<ImageView
android:id="@+id/btn_switch_camera"
android:layout_width="71dp"
android:layout_height="47dp"
android:text="@string/SWITCH"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.91"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.052"
app:srcCompat="@drawable/ic_switch"
android:contentDescription="@string/SWITCH" />
<ImageView
android:id="@+id/btn_flash"
android:layout_width="51dp"
android:layout_height="40dp"
android:contentDescription="@string/flash"
android:text="@string/flash"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.95"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.2"
app:srcCompat="@drawable/ic_flash" />
<ImageView
android:id="@+id/pause_video"
android:layout_width="90dp"
android:layout_height="54dp"
android:contentDescription="@string/record_Video"
android:text="@string/pause"
android:visibility="gone"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.454"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.926"
android:color="#FF0000"
app:srcCompat="@drawable/ic_stop" />
<ImageView
android:id="@+id/music_library"
android:layout_width="52dp"
android:layout_height="47dp"
android:contentDescription="@string/library_music"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.45"
app:layout_constraintLeft_toLeftOf="@+id/btn_record"
app:layout_constraintStart_toStartOf="@+id/guideline18"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.926"
app:srcCompat="@drawable/ic_music_golibrary" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline18"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.7347932" />
<TextView
android:id="@+id/timer2"
android:layout_width="53dp"
android:layout_height="43dp"
android:layout_marginStart="25dp"
android:layout_marginTop="25dp"
android:text="@string/_2_m"
android:textStyle="bold"
android:textSize="20sp"
android:textColor="#Ff0000"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="@+id/guideline18"
app:layout_constraintTop_toBottomOf="@+id/btn_flash" />
</androidx.constraintlayout.widget.ConstraintLayout>
清单：
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.anisacoding.expriment">
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.RECORD_AUDIO"/>
<uses-permission android:name="android.permission.CAMERA"/>
<uses-permission android:name="android.permission.WAKE_LOCK"/>
<uses-permission android:name="android.hardware.camera"/>
<uses-permission android:name="android.hardware.camera.autofocus"/>
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:usesCleartextTraffic="true"
android:theme="@style/AppTheme"
>
<activity android:name=".Activities.Dashboard" android:screenOrientation="nosensor">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".VideoEditorFolder.PortraitCameraActivity" android:screenOrientation="portrait"/>
<activity android:name=".VideoEditorFolder.CameraSelectActivity" android:screenOrientation="portrait"/>
<activity android:name=".Activities.SoundActivity" android:screenOrientation="nosensor"/>
<activity android:name=".VideoEditorFolder.BaseCameraActivity" android:screenOrientation="portrait"/>
<activity android:name=".VideoEditorFolder.LandscapeCameraActivity" android:screenOrientation="landscape"/>
<activity android:name=".Activities.Home" android:screenOrientation="nosensor"/>
</application>
</manifest>
相机类别：
public class BaseCameraActivity extends AppCompatActivity {
private SampleCameraGLView sampleGLView;
protected GPUCameraRecorder GPUCameraRecorder;
private String filepath;
private ImageView recordBtn, pause_video, btn_flash, btn_switch_camera;
protected LensFacing lensFacing = LensFacing.BACK;
protected int cameraWidth = 1280;
protected int cameraHeight = 720;
protected int videoWidth = 720;
protected int videoHeight = 720;
private boolean toggleClick = false;
private ImageView music_library;
private ListView filter_list;
private TextView label;
private ImageView cross;
private String sound_url = null, sound_title = null;
private MediaPlayer mp;
protected void onCreateActivity() {
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
// Objects.requireNonNull(getSupportActionBar()).hide();
recordBtn = findViewById(R.id.btn_record);
pause_video = findViewById(R.id.pause_video);
btn_flash = findViewById(R.id.btn_flash);
music_library = findViewById(R.id.music_library);
label = findViewById(R.id.label);
sound_url = getIntent().getStringExtra("sound url");
sound_title = getIntent().getStringExtra("sound title");
if (sound_url != null) {
Toast.makeText(this, sound_url, Toast.LENGTH_SHORT).show();
}
music_library.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(BaseCameraActivity.this, SoundActivity.class);
Animatoo.animateCard(BaseCameraActivity.this);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(intent);
finish();
}
});
cross = findViewById(R.id.cross);
cross.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (GPUCameraRecorder != null) {
GPUCameraRecorder.stop();
GPUCameraRecorder.release();
GPUCameraRecorder = null;
}
Intent intent = new Intent(BaseCameraActivity.this, Dashboard.class);
startActivity(intent);
finish();
}
});
recordBtn.setOnClickListener(v -> {
filepath = getVideoFilePath();
GPUCameraRecorder.start(filepath);
recordBtn.setVisibility(View.GONE);
pause_video.setVisibility(View.VISIBLE);
filter_list.setVisibility(View.GONE);
Toast.makeText(this, "Recording Started", Toast.LENGTH_SHORT).show();
Glide.with(this).load(R.drawable.ic_pause_circle).into(pause_video);
///////////////play sound///////////////
if (sound_url != null) {
try {
mp = new MediaPlayer();
mp.setDataSource(sound_url);
mp.prepare();
mp.start();
} catch (IOException e) {
e.printStackTrace();
}
}
//////stop recording in 2 m////////
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
Toast.makeText(BaseCameraActivity.this, "Recording Stopped", Toast.LENGTH_SHORT).show();
Toast.makeText(BaseCameraActivity.this, "You can only record 1 minute video", Toast.LENGTH_SHORT).show();
GPUCameraRecorder.stop();
Toast.makeText(BaseCameraActivity.this, "Recording Stopped", Toast.LENGTH_SHORT).show();
Toast.makeText(BaseCameraActivity.this, getVideoFilePath(), Toast.LENGTH_SHORT).show();
recordBtn.setVisibility(View.VISIBLE);
filter_list.setVisibility(View.VISIBLE);
music_library.setVisibility(View.VISIBLE);
pause_video.setVisibility(View.GONE);
}
}, 120000);
///////////////////////////////////////////
});
pause_video.setOnClickListener(v -> {
GPUCameraRecorder.stop();
Toast.makeText(this, "Recording stopped", Toast.LENGTH_SHORT).show();
recordBtn.setVisibility(View.VISIBLE);
pause_video.setVisibility(View.GONE);
filter_list.setVisibility(View.VISIBLE);
//////////stop music/////////
if (sound_url != null) {
try {
mp.stop();
} catch (IllegalStateException e) {
e.printStackTrace();
}
}
});
findViewById(R.id.btn_flash).setOnClickListener(v -> {
if (GPUCameraRecorder != null && GPUCameraRecorder.isFlashSupport()) {
GPUCameraRecorder.switchFlashMode();
GPUCameraRecorder.changeAutoFocus();
}
});
findViewById(R.id.btn_switch_camera).setOnClickListener(v -> {
releaseCamera();
if (lensFacing == LensFacing.BACK) {
lensFacing = LensFacing.FRONT;
} else {
lensFacing = LensFacing.BACK;
}
toggleClick = true;
});
filter_list = findViewById(R.id.filter_list);
final List<FilterType> filterTypes = FilterType.createFilterList();
filter_list.setAdapter(new FilterAdapter(this, R.id.label, filterTypes).whiteMode());
filter_list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (GPUCameraRecorder != null) {
GPUCameraRecorder.setFilter(FilterType.createGlFilter(filterTypes.get(position), getApplicationContext()));
filter_list.setVisibility(View.VISIBLE);
}
}
});
}
private void init() {
if (Build.VERSION.SDK_INT >= 19 && Build.VERSION.SDK_INT < 21) {
setWindowFlag(this, WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS, true);
}
if (Build.VERSION.SDK_INT >= 19) {
getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_FULLSCREEN);
}
if (Build.VERSION.SDK_INT >= 21) {
setWindowFlag(this, WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS, false);
getWindow().setStatusBarColor(Color.TRANSPARENT);
}
}
@Override
protected void onResume() {
super.onResume();
setUpCamera();
}
@Override
protected void onStop() {
super.onStop();
releaseCamera();
}
private void releaseCamera() {
if (sampleGLView != null) {
sampleGLView.onPause();
}
if (GPUCameraRecorder != null) {
GPUCameraRecorder.stop();
GPUCameraRecorder.release();
GPUCameraRecorder = null;
}
if (sampleGLView != null) {
((FrameLayout) findViewById(R.id.wrap_view)).removeView(sampleGLView);
sampleGLView = null;
}
}
private void setUpCameraView() {
runOnUiThread(() -> {
FrameLayout frameLayout = findViewById(R.id.wrap_view);
frameLayout.removeAllViews();
sampleGLView = null;
sampleGLView = new SampleCameraGLView(getApplicationContext());
sampleGLView.setTouchListener((event, width, height) -> {
if (GPUCameraRecorder == null) return;
GPUCameraRecorder.changeManualFocusPoint(event.getX(), event.getY(), width, height);
});
frameLayout.addView(sampleGLView);
});
}
private void setUpCamera() {
setUpCameraView();
GPUCameraRecorder = new GPUCameraRecorderBuilder(this, sampleGLView)
//.recordNoFilter(true)
.cameraRecordListener(new CameraRecordListener() {
@Override
public void onGetFlashSupport(boolean flashSupport) {
runOnUiThread(() -> {
findViewById(R.id.btn_flash).setEnabled(flashSupport);
});
}
@Override
public void onRecordComplete() {
exportMp4ToGallery(getApplicationContext(), filepath);
}
@Override
public void onRecordStart() {
runOnUiThread(() -> {
filter_list.setVisibility(View.GONE);
});
}
@Override
public void onError(Exception exception) {
Log.e("GPUCameraRecorder", exception.toString());
}
@Override
public void onCameraThreadFinish() {
if (toggleClick) {
runOnUiThread(() -> {
setUpCamera();
});
}
toggleClick = false;
}
@Override
public void onVideoFileReady() {
}
})
.videoSize(videoWidth, videoHeight)
.cameraSize(cameraWidth, cameraHeight)
.lensFacing(lensFacing)
.build();
}
public void backBtn (View view){
Intent intent = new Intent(BaseCameraActivity.this, Dashboard.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(intent);
Animatoo.animateInAndOut(this);
finish();
}
@Override
public void onBackPressed () {
Intent intent = new Intent(BaseCameraActivity.this, Dashboard.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(intent);
Animatoo.animateInAndOut(this);
finish();
}
// private void changeFilter(Filters filters) {
// GPUCameraRecorder.setFilter(Filters.getFilterInstance(filters, getApplicationContext()));
// }
private interface BitmapReadyCallbacks {
void onBitmapReady(Bitmap bitmap);
}
private void captureBitmap(final BitmapReadyCallbacks bitmapReadyCallbacks) {
sampleGLView.queueEvent(() -> {
EGL10 egl = (EGL10) EGLContext.getEGL();
GL10 gl = (GL10) egl.eglGetCurrentContext().getGL();
Bitmap snapshotBitmap = createBitmapFromGLSurface(sampleGLView.getMeasuredWidth(), sampleGLView.getMeasuredHeight(), gl);
runOnUiThread(() -> {
bitmapReadyCallbacks.onBitmapReady(snapshotBitmap);
});
});
}
private Bitmap createBitmapFromGLSurface(int w, int h, GL10 gl) {
int[] bitmapBuffer = new int[w * h];
int[] bitmapSource = new int[w * h];
IntBuffer intBuffer = IntBuffer.wrap(bitmapBuffer);
intBuffer.position(0);
try {
gl.glReadPixels(0, 0, w, h, GL10.GL_RGBA, GL10.GL_UNSIGNED_BYTE, intBuffer);
int offset1, offset2, texturePixel, blue, red, pixel;
for (int i = 0; i < h; i++) {
offset1 = i * w;
offset2 = (h - i - 1) * w;
for (int j = 0; j < w; j++) {
texturePixel = bitmapBuffer[offset1 + j];
blue = (texturePixel >> 16) & 0xff;
red = (texturePixel << 16) & 0x00ff0000;
pixel = (texturePixel & 0xff00ff00) | red | blue;
bitmapSource[offset2 + j] = pixel;
}
}
} catch (GLException e) {
Log.e("CreateBitmap", "createBitmapFromGLSurface: " + e.getMessage(), e);
return null;
}
return Bitmap.createBitmap(bitmapSource, w, h, Bitmap.Config.ARGB_8888);
}
public void saveAsPngImage(Bitmap bitmap, String filePath) {
try {
File file = new File(filePath);
FileOutputStream outStream = new FileOutputStream(file);
bitmap.compress(Bitmap.CompressFormat.PNG, 100, outStream);
outStream.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public static void exportMp4ToGallery(Context context, String filePath) {
final ContentValues values = new ContentValues(2);
values.put(MediaStore.Video.Media.MIME_TYPE, "video/mp4");
values.put(MediaStore.Video.Media.DATA, filePath);
context.getContentResolver().insert(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
values);
context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE,
Uri.parse("file://" + filePath)));
}
public static String getVideoFilePath() {
return getAndroidMoviesFolder().getAbsolutePath() + "/" + new SimpleDateFormat("yyyyMM_dd-HHmmss").format(new Date()) + "GPUCameraRecorder.mp4";
}
public static File getAndroidMoviesFolder() {
return Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM);
}
private static void exportPngToGallery(Context context, String filePath) {
Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
File f = new File(filePath);
Uri contentUri = Uri.fromFile(f);
mediaScanIntent.setData(contentUri);
context.sendBroadcast(mediaScanIntent);
}
public static String getImageFilePath() {
return getAndroidImageFolder().getAbsolutePath() + "/" + new SimpleDateFormat("yyyyMM_dd-HHmmss").format(new Date()) + "GPUCameraRecorder.png";
}
public static File getAndroidImageFolder() {
return Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
}
}
样式：
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">#49464E</item>
<item name="colorPrimaryDark">#6C6971</item>
<item name="colorAccent">@color/colorAccent</item>
</style>
<style name="ServiceTextShadow">
<item name="android:shadowColor">#55000000</item>
<item name="android:shadowDx">0</item>
<item name="android:shadowDy">0</item>
<item name="android:shadowRadius">10.0</item>
</style>
</resources>
文本布局：
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/label"
style="@style/ServiceTextShadow"
android:layout_width="match_parent"
android:layout_height="?android:attr/listPreferredItemHeight"
android:gravity="center_vertical"
android:padding="12dp"
android:textColor="@android:color/white"
android:textAppearance="?android:attr/textAppearanceListItem"
android:textSize="12sp" />
过滤器适配器：
import android.annotation.SuppressLint;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;
import androidx.annotation.NonNull;
import com.anisacoding.expriment.R;
import java.util.List;
public class FilterAdapter extends ArrayAdapter<FilterType> {
static class ViewHolder {
public TextView text;
}
private final Context context;
private final List<FilterType> values;
private boolean isWhite = false;
public FilterAdapter(Context context, int resource, List<FilterType> objects) {
super(context, resource, objects);
this.context = context;
values = objects;
}
@SuppressLint("InflateParams")
@NonNull
@Override
public View getView(int position, View convertView, @NonNull ViewGroup parent) {
View rowView = convertView;
// reuse views
if (rowView == null) {
LayoutInflater inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
if (isWhite) {
rowView = inflater.inflate(R.layout.row_white_text, null);
} else {
rowView = inflater.inflate(R.layout.row_text, null);
}
// configure view holder
ViewHolder viewHolder = new ViewHolder();
viewHolder.text = rowView.findViewById(R.id.label);
rowView.setTag(viewHolder);
}
ViewHolder holder = (ViewHolder) rowView.getTag();
String s = values.get(position).name();
holder.text.setText(s);
return rowView;
}
public FilterAdapter whiteMode() {
isWhite = true;
return this;
}
}