trleithoff
Lurker
I am having an issue where the android emulator is not showing my app. I am getting no errors and cannot figure out why it's not working. Here is a video I recorded of the issue:
Does anyone have any ideas on how I can get this working properly to show my app in the emulator? Thanks.
ps. I have unchecked Enable ADB Integration under tools.
Here is my AndroidManifest.xml file:
My app file:
My activity_main.xml file:
And my MainActivity.java file:
Does anyone have any ideas on how I can get this working properly to show my app in the emulator? Thanks.
ps. I have unchecked Enable ADB Integration under tools.
Here is my AndroidManifest.xml file:
Code:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.admin.mywallpaperapp">
<uses-permission android:name="android.permission.SET_WALLPAPER" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>My app file:
Code:
apply plugin: 'com.android.application'
android {
compileSdkVersion 25
buildToolsVersion "25.0.2"
defaultConfig {
applicationId "com.example.admin.mywallpaperapp"
minSdkVersion 15
targetSdkVersion 25
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:25.3.1'
compile 'com.android.support.constraint:constraint-layout:1.0.2'
testCompile 'junit:junit:4.12'
}My activity_main.xml file:
Code:
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.admin.mywallpaperapp.MainActivity">
<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="Set as Wallpaper"
android:id="@+id/setwall"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<ImageView
android:layout_width="0dp"
android:layout_height="0dp"
android:id="@+id/img"
android:src="@drawable/archespurple"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintVertical_bias="0.0" />
</android.support.constraint.ConstraintLayout>And my MainActivity.java file:
Code:
package com.example.admin.mywallpaperapp;
import android.app.WallpaperManager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import java.io.IOException;
public class MainActivity extends AppCompatActivity {
Button btn;
ImageView img;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btn = (Button) findViewById(R.id.setwall);
img = (ImageView) findViewById(R.id.img);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
WallpaperManager wallmgr = WallpaperManager.getInstance(getApplicationContext());
try {
wallmgr.setResource(+ R.drawable.archespurple);
} catch (IOException e) {
e.printStackTrace();
}
}
});
}
}