Android调用系统自带的文件管理器进行文件选择并获得路径
16lz
2021-01-23
public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button btn= (Button) findViewById(R.id.btn); btn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(Intent.ACTION_GET_CONTENT); intent.setType("*/*");//设置类型,我这里是任意类型,任意后缀的可以这样写。 intent.addCategory(Intent.CATEGORY_OPENABLE); startActivityForResult(intent,1); } }); }}
//intent.setType(“image/*”);//选择图片//intent.setType(“audio/*”); //选择音频//intent.setType(“video/*”); //选择视频 (mp4 3gp 是android支持的视频格式)//intent.setType(“video/*;image/*”);//同时选择视频和图片
onActivityResult函数响应了选择文件的操作。
protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (resultCode == Activity.RESULT_OK) { if (requestCode == 1) { Uri uri = data.getData(); Toast.makeText(this, "文件路径:"+uri.getPath().toString(), Toast.LENGTH_SHORT).show(); } } }
---------------------------------------------------------private static final int FILE_SELECT_CODE = 0;private static final String TAG = "VideoActivity";private void chooseFile() {Intent intent = new Intent(Intent.ACTION_GET_CONTENT);intent.setType("*/*");intent.addCategory(Intent.CATEGORY_OPENABLE);try {startActivityForResult(Intent.createChooser(intent, "选择文件"), FILE_SELECT_CODE);} catch (android.content.ActivityNotFoundException ex) {Toast.makeText(this, "亲,木有文件管理器啊-_-!!", Toast.LENGTH_SHORT).show();}}@Overridepublic void onActivityResult(int requestCode, int resultCode, Intent data) {// TODO Auto-generated method stubif (resultCode != Activity.RESULT_OK) {Log.e(TAG, "onActivityResult() error, resultCode: " + resultCode);super.onActivityResult(requestCode, resultCode, data);return;}if (requestCode == FILE_SELECT_CODE) {Uri uri = data.getData();Log.i(TAG, "------->" + uri.getPath());}super.onActivityResult(requestCode, resultCode, data);}
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