xufulong
5 years ago
parent
9b13bb8362
commit
52ba7a02a5
@ -0,0 +1,90 @@ |
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package com.frank.ffmpeg.activity; |
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import android.Manifest; |
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import android.content.Intent; |
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import android.os.Build; |
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import android.os.Bundle; |
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import android.support.annotation.Nullable; |
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import android.support.v7.app.AppCompatActivity; |
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import android.util.Log; |
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import android.view.View; |
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import com.frank.ffmpeg.util.ContentUtil; |
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public abstract class BaseActivity extends AppCompatActivity implements View.OnClickListener { |
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private final static String TAG = BaseActivity.class.getSimpleName(); |
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private final static int REQUEST_CODE = 1234; |
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private final static String[] permissions = new String[] { |
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Manifest.permission.WRITE_EXTERNAL_STORAGE, |
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Manifest.permission.READ_EXTERNAL_STORAGE}; |
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@Override |
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protected void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState); |
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initWindow(); |
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requestPermission(); |
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setContentView(getLayoutId()); |
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} |
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private void initWindow() { |
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if (getSupportActionBar() != null) { |
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getSupportActionBar().hide(); |
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} |
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} |
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private void requestPermission() { |
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { |
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requestPermissions(permissions, REQUEST_CODE); |
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} |
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} |
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protected void initViews(int... viewIds) { |
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for (int viewId : viewIds) { |
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getView(viewId); |
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} |
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} |
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protected void initViewsWithClick(int... viewIds) { |
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for (int viewId : viewIds) { |
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getView(viewId).setOnClickListener(this); |
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} |
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} |
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@Override |
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public void onClick(View v) { |
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onViewClick(v); |
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} |
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protected void selectFile() { |
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Intent intent = new Intent(Intent.ACTION_GET_CONTENT); |
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intent.addCategory(Intent.CATEGORY_OPENABLE); |
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intent.setType("*/*"); |
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intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); |
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this.startActivityForResult(intent, 123); |
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} |
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@Override |
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protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) { |
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super.onActivityResult(requestCode, resultCode, data); |
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if(data != null && data.getData() != null) { |
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String filePath = ContentUtil.getPath(this,data.getData()); |
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Log.i(TAG,"filePath="+ filePath); |
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onSelectedFile(filePath); |
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} |
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} |
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protected <T extends View> T getView(int viewId) { |
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return (T) findViewById(viewId); |
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} |
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abstract int getLayoutId(); |
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abstract void onViewClick(View view); |
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abstract void onSelectedFile(String filePath); |
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} |
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@ -0,0 +1,135 @@ |
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package com.frank.ffmpeg.util; |
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import android.annotation.TargetApi; |
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import android.content.ContentUris; |
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import android.content.Context; |
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import android.database.Cursor; |
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import android.net.Uri; |
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import android.os.Build; |
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import android.os.Environment; |
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import android.provider.DocumentsContract; |
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import android.provider.MediaStore; |
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public class ContentUtil { |
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/** |
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* Get a file path from a Uri. This will get the the path for Storage |
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* Access Framework Documents. |
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* @param context The context |
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* @param uri The Uri to query |
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*/ |
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@TargetApi(Build.VERSION_CODES.KITKAT) |
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public static String getPath(final Context context, final Uri uri) { |
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// DocumentProvider
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if (DocumentsContract.isDocumentUri(context, uri)) { |
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// ExternalStorageProvider
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if (isExternalStorageDocument(uri)) { |
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final String docId = DocumentsContract.getDocumentId(uri); |
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final String[] split = docId.split(":"); |
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final String type = split[0]; |
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if ("primary".equalsIgnoreCase(type)) { |
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return Environment.getExternalStorageDirectory() + "/" + split[1]; |
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} |
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} |
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// DownloadsProvider
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else if (isDownloadsDocument(uri)) { |
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final String id = DocumentsContract.getDocumentId(uri); |
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final Uri contentUri = ContentUris.withAppendedId( |
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Uri.parse("content://downloads/public_downloads"), Long.valueOf(id)); |
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return getDataColumn(context, contentUri, null, null); |
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} |
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// MediaProvider
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else if (isMediaDocument(uri)) { |
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final String docId = DocumentsContract.getDocumentId(uri); |
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final String[] split = docId.split(":"); |
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final String type = split[0]; |
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Uri contentUri = null; |
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if ("image".equals(type)) { |
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contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI; |
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} else if ("video".equals(type)) { |
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contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI; |
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} else if ("audio".equals(type)) { |
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contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI; |
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} |
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final String selection = "_id=?"; |
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final String[] selectionArgs = new String[] { |
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split[1] |
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}; |
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return getDataColumn(context, contentUri, selection, selectionArgs); |
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} |
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} |
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// MediaStore (and general)
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else if ("content".equalsIgnoreCase(uri.getScheme())) { |
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return getDataColumn(context, uri, null, null); |
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} |
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// File
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else if ("file".equalsIgnoreCase(uri.getScheme())) { |
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return uri.getPath(); |
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} |
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return null; |
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} |
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/** |
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** |
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* Get the value of the data column for this Uri. This is useful for |
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* MediaStore Uris, and other file-based ContentProviders. |
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* |
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* @param context The context |
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* @param uri The Uri to query |
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* @param selection (Optional) Filter used in the query. |
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* @param selectionArgs (Optional) Selection arguments used in the query. |
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* @return The value of the _data column, which is typically a file path. |
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*/ |
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private static String getDataColumn(Context context, Uri uri, String selection, |
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String[] selectionArgs) { |
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Cursor cursor = null; |
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final String column = "_data"; |
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final String[] projection = { |
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column |
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}; |
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try { |
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cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, |
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null); |
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if (cursor != null && cursor.moveToFirst()) { |
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final int index = cursor.getColumnIndexOrThrow(column); |
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return cursor.getString(index); |
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} |
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} finally { |
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if (cursor != null) |
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cursor.close(); |
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} |
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return null; |
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} |
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/** |
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* @param uri The Uri to check. |
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* @return Whether the Uri authority is ExternalStorageProvider. |
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*/ |
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private static boolean isExternalStorageDocument(Uri uri) { |
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return "com.android.externalstorage.documents".equals(uri.getAuthority()); |
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} |
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/** |
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* @param uri The Uri to check. |
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* @return Whether the Uri authority is DownloadsProvider. |
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*/ |
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private static boolean isDownloadsDocument(Uri uri) { |
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return "com.android.providers.downloads.documents".equals(uri.getAuthority()); |
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} |
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/** |
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* @param uri The Uri to check. |
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* @return Whether the Uri authority is MediaProvider. |
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*/ |
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private static boolean isMediaDocument(Uri uri) { |
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return "com.android.providers.media.documents".equals(uri.getAuthority()); |
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} |
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} |
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