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add checking permissions and adjust min SDK to API23
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99 changes: 99 additions & 0 deletions
99
app/src/main/java/com/jiangdg/usbcamera/view/SplashActivity.java
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package com.jiangdg.usbcamera.view; | ||
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import android.Manifest; | ||
import android.content.Intent; | ||
import android.content.pm.PackageManager; | ||
import android.os.Build; | ||
import android.os.Bundle; | ||
import android.os.Handler; | ||
import android.support.annotation.NonNull; | ||
import android.support.v4.app.ActivityCompat; | ||
import android.support.v4.content.ContextCompat; | ||
import android.support.v7.app.AppCompatActivity; | ||
import android.view.WindowManager; | ||
import android.widget.Toast; | ||
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import com.jiangdg.usbcamera.R; | ||
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import java.util.ArrayList; | ||
import java.util.List; | ||
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/** | ||
* permission checking | ||
* Created by jiangdongguo on 2019/6/27. | ||
*/ | ||
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public class SplashActivity extends AppCompatActivity { | ||
private static final String[] REQUIRED_PERMISSION_LIST = new String[]{ | ||
Manifest.permission.WRITE_EXTERNAL_STORAGE, | ||
Manifest.permission.RECORD_AUDIO, | ||
}; | ||
private static final int REQUEST_CODE = 1; | ||
private List<String> mMissPermissions = new ArrayList<>(); | ||
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@Override | ||
protected void onCreate(Bundle savedInstanceState) { | ||
super.onCreate(savedInstanceState); | ||
getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN); | ||
setContentView(R.layout.activity_splash); | ||
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if (isVersionM()) { | ||
checkAndRequestPermissions(); | ||
} else { | ||
startMainActivity(); | ||
} | ||
} | ||
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private boolean isVersionM() { | ||
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP; | ||
} | ||
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private void checkAndRequestPermissions() { | ||
mMissPermissions.clear(); | ||
for (String permission : REQUIRED_PERMISSION_LIST) { | ||
int result = ContextCompat.checkSelfPermission(this, permission); | ||
if (result != PackageManager.PERMISSION_GRANTED) { | ||
mMissPermissions.add(permission); | ||
} | ||
} | ||
// check permissions has granted | ||
if (mMissPermissions.isEmpty()) { | ||
startMainActivity(); | ||
} else { | ||
ActivityCompat.requestPermissions(this, | ||
mMissPermissions.toArray(new String[mMissPermissions.size()]), | ||
REQUEST_CODE); | ||
} | ||
} | ||
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@Override | ||
public void onRequestPermissionsResult(final int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { | ||
super.onRequestPermissionsResult(requestCode, permissions, grantResults); | ||
if (requestCode == REQUEST_CODE) { | ||
for (int i = grantResults.length - 1; i >= 0; i--) { | ||
if (grantResults[i] == PackageManager.PERMISSION_GRANTED) { | ||
mMissPermissions.remove(permissions[i]); | ||
} | ||
} | ||
} | ||
// Get permissions success or not | ||
if (mMissPermissions.isEmpty()) { | ||
startMainActivity(); | ||
} else { | ||
Toast.makeText(SplashActivity.this, "get permissions failed,exiting...",Toast.LENGTH_SHORT).show(); | ||
SplashActivity.this.finish(); | ||
} | ||
} | ||
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private void startMainActivity() { | ||
new Handler().postDelayed(new Runnable() { | ||
@Override | ||
public void run() { | ||
startActivity(new Intent(SplashActivity.this, USBCameraActivity.class)); | ||
SplashActivity.this.finish(); | ||
} | ||
}, 3000); | ||
} | ||
} | ||
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<?xml version="1.0" encoding="utf-8"?> | ||
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" | ||
android:orientation="vertical" android:layout_width="match_parent" | ||
android:layout_height="match_parent"> | ||
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<TextView | ||
android:layout_width="410dp" | ||
android:layout_height="0dp" | ||
android:layout_weight="1" | ||
android:gravity="center_horizontal|center_vertical" | ||
android:text="Welcome to use!" | ||
android:textSize="28sp" | ||
android:textStyle="bold" /> | ||
<TextView | ||
android:layout_width="wrap_content" | ||
android:layout_height="wrap_content" | ||
android:layout_gravity="center_horizontal|center_vertical" | ||
android:textSize="14sp" | ||
android:textStyle="italic" | ||
android:text="Author: jiangdongguo"/> | ||
<TextView | ||
android:layout_width="wrap_content" | ||
android:layout_height="wrap_content" | ||
android:layout_gravity="center_horizontal|center_vertical" | ||
android:layout_marginTop="5dp" | ||
android:textStyle="italic" | ||
android:textSize="14sp" | ||
android:text="Email:[email protected]"/> | ||
<TextView | ||
android:layout_width="match_parent" | ||
android:layout_height="0dp" | ||
android:text="last modify 2019.6" | ||
android:textSize="16sp" | ||
android:textStyle="bold" | ||
android:gravity="bottom|center_horizontal" | ||
android:paddingBottom="20dp" | ||
android:layout_weight="1"/> | ||
</LinearLayout> |
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Original file line number | Diff line number | Diff line change |
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@@ -1,3 +1,3 @@ | ||
<resources> | ||
<string name="app_name">UVCCamera</string> | ||
<string name="app_name">AndroidUSBCamera</string> | ||
</resources> |
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