此次訪問:https://github.com/jdamcd/android-crop
作物
Crop.of(inputUri, outputUri).asSquare().start(activity)
傾聽作物的結果(參見示例項目,如果你想要做一些錯誤處理):
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent result) {
if (requestCode == Crop.REQUEST_CROP && resultCode == RESULT_OK) {
doSomethingWithCroppedImage(outputUri);
}
}
提供了一些屬性來定製裁剪屏幕。請參閱示例項目主題。
接
的庫提供了一個實用的方法來開始圖像拾取器:
Crop.pickImage(activity)
依賴
的AAR上的Maven Central發表:
compile 'com.soundcloud.android:android-crop:[email protected]'
Java代碼:
public class MainActivity extends Activity {
private ImageView resultView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
resultView = (ImageView) findViewById(R.id.result_image);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == R.id.action_select) {
resultView.setImageDrawable(null);
Crop.pickImage(this);
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent result) {
if (requestCode == Crop.REQUEST_PICK && resultCode == RESULT_OK) {
beginCrop(result.getData());
} else if (requestCode == Crop.REQUEST_CROP) {
handleCrop(resultCode, result);
}
}
private void beginCrop(Uri source) {
Uri destination = Uri.fromFile(new File(getCacheDir(), "cropped"));
Crop.of(source, destination).asSquare().start(this);
}
private void handleCrop(int resultCode, Intent result) {
if (resultCode == RESULT_OK) {
resultView.setImageURI(Crop.getOutput(result));
} else if (resultCode == Crop.RESULT_ERROR) {
Toast.makeText(this, Crop.getError(result).getMessage(), Toast.LENGTH_SHORT).show();
}
}
}
輸出:
見下面我answe。 –