CacheActivity.java
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package com.cnlive.demo.video.cache;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.Toast;
import com.cnlive.demo.video.R;
import com.cnlive.libs.util.SharedPreferencesHelper;
import com.cnlive.libs.video.cache.CacheManager;
import com.cnlive.libs.video.cache.ICache;
import com.cnlive.libs.video.cache.ProxyService;
/**
* Created by gujun on 2017/10/20.
*/
public class CacheActivity extends AppCompatActivity implements CompoundButton.OnCheckedChangeListener {
private static final String TAG = "CacheActivity";
//是否是设置缓存文件大小来限制缓存，不是就设置文件个数限制缓存
public static final String CACHE_LIMIT_SIZE = "cache_limit_size";
private SharedPreferencesHelper sph;
private ProxyService proxyService;
private EditText editPlayUrl;
private RadioButton cacheMaxSize, cacheMaxCount;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_cache);
init();
}
private void init() {
editPlayUrl = (EditText) findViewById(R.id.playUrl);
editPlayUrl.setText("https://mvvideo5.meitudata.com/571090934cea5517.mp4");
sph = SharedPreferencesHelper.getInstance(this);
cacheMaxSize = (RadioButton) findViewById(R.id.cacheMaxSize);
cacheMaxCount = (RadioButton) findViewById(R.id.cacheMaxCount);
cacheMaxSize.setOnCheckedChangeListener(this);
cacheMaxCount.setOnCheckedChangeListener(this);
cacheMaxSize.setChecked(true);
verifyStoragePermissions(this);
}
public void onClick(View view) {
switch (view.getId()) {
case R.id.playCache:
if (TextUtils.isEmpty(editPlayUrl.getText().toString())) {
Toast.makeText(this, "播放地址为空", Toast.LENGTH_LONG).show();
return;
}
Intent intent = new Intent(this, CacheVideoActivity.class);
intent.putExtra("url", editPlayUrl.getText().toString());
startActivity(intent);
break;
case R.id.clearCache:
clearCache();
break;
}
}
/**
* 清除缓存
*/
private void clearCache() {
proxyService = CacheManager.getProxyService(this);
proxyService.registerLogEventListener(mOnLogEventListener);
proxyService.startServer();
proxyService.cleanCaches();
proxyService.shutDownServer();
Toast.makeText(this, "清除缓存成功", Toast.LENGTH_LONG).show();
}
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
switch (buttonView.getId()) {
case R.id.cacheMaxCount:
sph.setValue(CACHE_LIMIT_SIZE, false);
break;
case R.id.cacheMaxSize:
sph.setValue(CACHE_LIMIT_SIZE, isChecked);
break;
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if (proxyService != null) {
proxyService.unregisterLogEventListener(mOnLogEventListener);
}
}
private ICache.OnLogEventListener mOnLogEventListener = new ICache.OnLogEventListener() {
@Override
public void onLogEvent(String log) {
Log.e(TAG, "onLogEvent: " + log);
}
};
private static final int REQUEST_EXTERNAL_STORAGE = 1;
private static String[] PERMISSIONS_STORAGE = {
"android.permission.READ_EXTERNAL_STORAGE",
"android.permission.WRITE_EXTERNAL_STORAGE"};
public static void verifyStoragePermissions(Activity activity) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M)
return;
try {
//检测是否有写的权限
int permission = ActivityCompat.checkSelfPermission(activity,
"android.permission.WRITE_EXTERNAL_STORAGE");
if (permission != PackageManager.PERMISSION_GRANTED) {
// 没有写的权限，去申请写的权限，会弹出对话框
ActivityCompat.requestPermissions(activity, PERMISSIONS_STORAGE, REQUEST_EXTERNAL_STORAGE);
}
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == REQUEST_EXTERNAL_STORAGE) {
if (allRequestsPermitted(grantResults))
Toast.makeText(this, "Permission Granted!", Toast.LENGTH_SHORT).show();
else
Toast.makeText(this, "Permission Denied!", Toast.LENGTH_SHORT).show();
}
}
private boolean allRequestsPermitted(int[] grantResults) {
for (int result : grantResults)
if (result == PackageManager.PERMISSION_DENIED)
return false;
return true;
}
}