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目前我正在創建允許用戶拍照並將其顯示給ImageView的應用程序。它的作用就像Android 5.1.1上的魅力一樣。 但是在Kitkat 4.4.2三星Galaxy Tab 3和KitKat 4.4.4小米紅米2上，拍照後相機強行關閉。在KitKat捕獲後關閉Android Camera功能
我不知道這是否有用，但我意識到相機可能會強制關閉，因爲在捕獲後，在這兩個KitKat設備上，用戶將被提示接受捕獲的圖片或不，然後如果接受，它會回到我目前的活動。
由於我的索尼5.1.1版本，用戶不會被提示輸入捕獲的圖片，它會直接返回到我當前的活動。
這裏我包含了相應的代碼。
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_job_order_line_form);
bAddPhoto = (TextView) findViewById(R.id.bAddPhoto);
bSaveJOLine = (TextView) findViewById(R.id.bSaveJOLine);
editDescription = (EditText) findViewById(R.id.editDescription);
editQty = (EditText) findViewById(R.id.editQty);
editPrice = (EditText) findViewById(R.id.editPrice);
ivImage = (ImageView) findViewById(R.id.imageTaken);
Intent intent = getIntent();
jobId = intent.getIntExtra("jobId", 0);
docNo = intent.getStringExtra("docNo");
bAddPhoto.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intentCamera = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
if (intentCamera.resolveActivity(getPackageManager()) != null) {
// Create the File where the photo should go
File photoFile = null;
try {
photoFile = createImageFile();
} catch (IOException ex) {
// Error occurred while creating the File
Toast.makeText(OJobOrderLineFormActivity.this, "Create file failed!",
Toast.LENGTH_SHORT).show();
}
// Continue only if the File was successfully created
if (photoFile != null) {
Uri photoURI = FileProvider.getUriForFile(OJobOrderLineFormActivity.this,
"com.opentoko.opentokolaundry.fileprovider",
photoFile);
System.out.println(photoURI);
intentCamera.putExtra(MediaStore.EXTRA_OUTPUT, photoURI);
startActivityForResult(intentCamera, 360);
}
}
}
});
bSaveJOLine.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Snackbar.make(v, "Item has been saved!", Snackbar.LENGTH_LONG)
.setAction("OK", null).show();
}
});
}
創建臨時文件功能：
private File createImageFile() throws IOException {
// Create an image file name
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmm").format(new Date());
String imageFileName = docNo + "_" + timeStamp + "_";
File storageDir = getExternalFilesDir(Environment.DIRECTORY_PICTURES);
File image = File.createTempFile(
imageFileName, /* prefix */
".jpg", /* suffix */
storageDir /* directory */
);
System.out.println(storageDir);
System.out.println(image);
// Save a file: path for use with ACTION_VIEW intents
currentPhotoPath = image.getAbsolutePath();
System.out.println(currentPhotoPath);
return image;
}
onActivityResult：
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case 360:
if(resultCode == RESULT_OK) {
int targetW = ivImage.getWidth();
int targetH = ivImage.getHeight();
// Get the dimensions of the bitmap
BitmapFactory.Options bmOptions = new BitmapFactory.Options();
bmOptions.inJustDecodeBounds = true;
BitmapFactory.decodeFile(currentPhotoPath, bmOptions);
int photoW = bmOptions.outWidth;
int photoH = bmOptions.outHeight;
// Determine how much to scale down the image
int scaleFactor = Math.min(photoW/targetW, photoH/targetH);
// Decode the image file into a Bitmap sized to fill the View
bmOptions.inJustDecodeBounds = false;
bmOptions.inSampleSize = scaleFactor;
bmOptions.inPurgeable = true;
Bitmap bitmap = BitmapFactory.decodeFile(currentPhotoPath, bmOptions);
ivImage.setImageBitmap(bitmap);
}
}
}
我真的不能想出什麼，因爲在logcat中造成這種存在似乎沒有錯誤可言，我構建仍像往常一樣運行。 這裏是進入當前活動拍攝照片後，我的logcat：
D/TextLayoutCache: Enable myanmar Zawgyi converter
D/TextLayoutCache: Enable myanmar Zawgyi converter
D/TextLayoutCache: Enable myanmar Zawgyi converter
D/TextLayoutCache: Enable myanmar Zawgyi converter
I/System.out: /storage/emulated/0/Android/data/com.opentoko.opentokolaundry/files/Pictures
I/System.out: /storage/emulated/0/Android/data/com.opentoko.opentokolaundry/files/Pictures/A-00003_20170127_1758_-1345208956.jpg
I/System.out: /storage/emulated/0/Android/data/com.opentoko.opentokolaundry/files/Pictures/A-00003_20170127_1758_-1345208956.jpg
I/System.out: content://com.opentoko.opentokolaundry.fileprovider/my_images/A-00003_20170127_1758_-1345208956.jpg
W/IInputConnectionWrapper: showStatusIcon on inactive InputConnection
這logcat的已經在這個確切的點，當它啓動開始打開攝像頭。捕獲後，沒有添加到logcat。
這是我的Android-的Manifest.xml的一部分：
<uses-feature android:name="android.hardware.camera" android:required="true" />
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="18" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<provider
android:name="android.support.v4.content.FileProvider"
android:authorities="com.opentoko.opentokolaundry.fileprovider"
android:exported="false"
android:grantUriPermissions="true">
<meta-data
android:name="android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/file_paths">
</meta-data>
</provider>
是否有人在這裏有或有同樣的問題嗎？任何解決方案任何幫助將不勝感激。