SplashActivity(欢迎界面)
实现功能：
修改背景图片
通过java修改欢迎界面文字信息
在xml中增加文字阴影
实现6秒自动跳转到MainActivity
实现点击Button跳转到MainActivity
以上2种跳转方法不冲突
(以上2种跳转方法不冲突，
也可以单独看这里 ，
通过按钮跳过SplashActivity(启动画面)，延时自动跳过SplashActivity进入MainActivity ，
http://blog.csdn.net/iwanghang/article/details/51164595)
SplashActivity.java 如下：
package com.iwanghang.drmplayer;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Intent;
import android.os.Message;
import android.os.Bundle;
import android.os.Handler;
import android.text.Html;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.TextView;
/**
* An example full-screen activity that shows and hides the system UI (i.e.
* status bar and navigation/system bar) with user interaction.
*/
//public class SplashActivity extends AppCompatActivity {
public class SplashActivity extends Activity {
private static final int START_ACTIVITY = 0x1;
private boolean InMainActivity = false;//布尔值标记是否已经进入MainActivity
/**
* Whether or not the system UI should be auto-hidden after
* {@link #AUTO_HIDE_DELAY_MILLIS} milliseconds.
*/
private static final boolean AUTO_HIDE = true;
/**
* If {@link #AUTO_HIDE} is set, the number of milliseconds to wait after
* user interaction before hiding the system UI.
*/
private static final int AUTO_HIDE_DELAY_MILLIS = 3000;
/**
* Some older devices needs a small delay between UI widget updates
* and a change of the status and navigation bar.
*/
private static final int UI_ANIMATION_DELAY = 300;
private final Handler mHideHandler = new Handler();
private View mContentView;
private final Runnable mHidePart2Runnable = new Runnable() {
@SuppressLint("InlinedApi")
@Override
public void run() {
// Delayed removal of status and navigation bar
// Note that some of these constants are new as of API 16 (Jelly Bean)
// and API 19 (KitKat). It is safe to use them, as they are inlined
// at compile-time and do nothing on earlier devices.
mContentView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE
| View.SYSTEM_UI_FLAG_FULLSCREEN
| View.SYSTEM_UI_FLAG_LAYOUT_STABLE
| View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
}
};
// private View mControlsView;
// private final Runnable mShowPart2Runnable = new Runnable() {
// @Override
// public void run() {
// // Delayed display of UI elements
// ActionBar actionBar = getSupportActionBar();
// if (actionBar != null) {
// actionBar.show();
// }
// mControlsView.setVisibility(View.VISIBLE);
// }
// };
// private boolean mVisible;
// private final Runnable mHideRunnable = new Runnable() {
// @Override
// public void run() {
// hide();
// }
// };
/**
* Touch listener to use for in-layout UI controls to delay hiding the
* system UI. This is to prevent the jarring behavior of controls going away
* while interacting with activity UI.
*/
// private final View.OnTouchListener mDelayHideTouchListener = new View.OnTouchListener() {
// @Override
// public boolean onTouch(View view, MotionEvent motionEvent) {
// if (AUTO_HIDE) {
// delayedHide(AUTO_HIDE_DELAY_MILLIS);
// }
// return false;
// }
// };
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//在SplashActivity中：
//隐藏标题栏即应用程序的名字
requestWindowFeature(Window.FEATURE_NO_TITLE);
//隐藏状态栏：电池状况，信号等
//getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
//设置显示View对象；
//setContentView(R.layout.activity_splash);
setContentView(R.layout.activity_splash);
// mVisible = true;
// mControlsView = findViewById(R.id.fullscreen_content_controls);
// mContentView = findViewById(R.id.fullscreen_content);
// Set up the user interaction to manually show or hide the system UI.
// mContentView.setOnClickListener(new View.OnClickListener() {
// @Override
// public void onClick(View view) {
// toggle();
// }
// });
// Upon interacting with UI controls, delay any scheduled hide()
// operations to prevent the jarring behavior of controls going away
// while interacting with the UI.
//findViewById(R.id.dummy_button).setOnTouchListener(mDelayHideTouchListener);
// findViewById(R.id.InMainActivity_button).setOnTouchListener(mDelayHideTouchListener);
//字体设置
TextView tv = (TextView)findViewById(R.id.fullscreen_content);
//AssetManager mgr = getAssets();//得到AssetManager
//Typeface tf = Typeface.createFromAsset(mgr, "fonts/mini.TTF");//根据路径得到Typeface
//tv.setTypeface(tf);//设置字体
String textStr1 = "<font color=\"#ffff00\">欢迎来到，</font><br>";
String textStr2 = "<font color=\"#00ff00\">音乐之声，</font><br>";
String textStr3 = "<font color=\"#ff00ff\">乘着梦想，</font><br>";
String textStr4 = "<font color=\"#00ffff\">飞向那个音符<br>的<br>海洋……</font><br>";
tv.setText(Html.fromHtml(textStr1+textStr2+textStr3+textStr4));
//在xml设置阴影
//android:shadowColor="#000000"
//android:shadowDx="15.0"
//android:shadowDy="5.0"
//android:shadowRadius=“5.0"
//通过button进入MainActivity
Button button = (Button) findViewById(R.id.InMainActivity_button);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
InMainActivity = true;
startActivity(new Intent(SplashActivity.this,MainActivity.class));
finish();
}
});
//延时自动进入MainActivity
handler.sendEmptyMessageDelayed(START_ACTIVITY,6000);
}
//延时自动进入MainActivity
private Handler handler = new Handler(){
@Override
public void handleMessage(Message msg) {
System.out.println("SplashActivity.java : InMainActivity = " + InMainActivity);
//如果InMainActivity == false，则进入MainActivity，为了避免重复进入MainActivity
if (InMainActivity == false) {
super.handleMessage(msg);
switch (msg.what) {
case START_ACTIVITY:
startActivity(new Intent(SplashActivity.this, MainActivity.class));
finish();
break;
}
}
}
};
// @Override
// protected void onPostCreate(Bundle savedInstanceState) {
// super.onPostCreate(savedInstanceState);
//
// // Trigger the initial hide() shortly after the activity has been
// // created, to briefly hint to the user that UI controls
// // are available.
// delayedHide(100);
// }
// private void toggle() {
// if (mVisible) {
// hide();
// } else {
// show();
// }
// }
// private void hide() {
// // Hide UI first
// ActionBar actionBar = getSupportActionBar();
// if (actionBar != null) {
// actionBar.hide();
// }
// mControlsView.setVisibility(View.GONE);
// mVisible = false;
//
// // Schedule a runnable to remove the status and navigation bar after a delay
// mHideHandler.removeCallbacks(mShowPart2Runnable);
// mHideHandler.postDelayed(mHidePart2Runnable, UI_ANIMATION_DELAY);
// }
// @SuppressLint("InlinedApi")
// private void show() {
// // Show the system bar
// mContentView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
// | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
// mVisible = true;
//
// // Schedule a runnable to display UI elements after a delay
// mHideHandler.removeCallbacks(mHidePart2Runnable);
// mHideHandler.postDelayed(mShowPart2Runnable, UI_ANIMATION_DELAY);
// }
/**
* Schedules a call to hide() in [delay] milliseconds, canceling any
* previously scheduled calls.
*/
// private void delayedHide(int delayMillis) {
// mHideHandler.removeCallbacks(mHideRunnable);
// mHideHandler.postDelayed(mHideRunnable, delayMillis);
// }
}
activity_splash.xml 如下：
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#0099cc"
tools:context="com.iwanghang.drmplayer.SplashActivity"
>
<!-- The primary full-screen view. This can be replaced with whatever view
is needed to present your content, e.g. VideoView, SurfaceView,
TextureView, etc. -->
<TextView
android:id="@+id/fullscreen_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:keepScreenOn="true"
android:text="@string/dummy_content"
android:textColor="#33b5e5"
android:background="@mipmap/app_splash_bg"
android:textSize="50sp"
android:textStyle="bold"
android:shadowColor="#000000"
android:shadowDx="15.0"
android:shadowDy="5.0"
android:shadowRadius="5.0"
/>
<!-- This FrameLayout insets its children based on system windows using
android:fitsSystemWindows. -->
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<LinearLayout
android:id="@+id/fullscreen_content_controls"
style="?metaButtonBarStyle"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom|center_horizontal"
android:background="@color/black_overlay"
android:orientation="horizontal"
tools:ignore="UselessParent">
<Button
android:id="@+id/InMainActivity_button"
style="?metaButtonBarButtonStyle"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="@string/dummy_button"
android:textColor="@color/colorAccent"/>
</LinearLayout>
</FrameLayout>
</FrameLayout><span id="transmark"></span>